Blood volume, V_B , in a human can be determined using the equation , where V_P is the plasma volume and H is the hematocrit (the fraction of blood volume that is red blood cells). Which of the following correctly expresses the hematocrit in terms of the blood volume and the plasma volume ?

x² + 6x + 4 Which of the following is equivalent to the expression above?

A company that makes wildlife videos purchases camera equipment for $32,400. The equipment depreciates in value at a constant rate for 12 years, after which it is considered to have no monetary value. How much is the camera equipment worth 4 years after it is purchased?

In the figure above, line t intersects lines  and k. Which of the following statements, if true, would imply that lines  and k are parallel?

If f( x) =    , what is f(-1) ?

T = 1,000 + 18 h
Where,
T = Brittany's total take-home pay ($) for the first week of work
h = number of hours she worked that week
1,000 = sign-on bonus
If Brittany's total take-home pay was $ 1,576, for how many hours was Brittany paid for her first week of work?

Terrence's car contains 8 gallons of fuel. He plans to drive the car m miles using the fuel currently in the car. If the car can drive 20 miles per gallon of fuel, which inequality gives the possible values of m?

Which of the following complex numbers is equal to is
( 5 + 12i ) – ( 9i² – 6i ), for i =  ?

For the linear function h, the table above shows several values of x and their corresponding values of h(x). Which of the following defines h ?

x = y – 3
+ 2y = 6
Which ordered pair (x, y) satisfies the system of
equations shown above?

Tony spends $ 80 per month on public transportation. A 10- ride pass costs $ 12.50, and a single-ride pass costs $ 1.50. If g represents the number of 10-ride passes Tony buys in a month and t represents the number of single- ride passes Tony buys in a month, which of the following equations best represents the relationship between g and t?

Which of the following is equivalent to 3 (x + 5) − 6  ?

If 3 (3x + 5) = 2x - 8 , what is the value of x ?

x + = 75 y
The equation above relates the number of minutes, x, Maria spends running each day and the number of minutes, y, she spends biking each day. In the equation, what does the number 75 represent?

ax = 5
In the equation above, a is a constant. For which of the following values of a will the equation have no solution?

Determine the linear function from the data in the table.

A linear equation when plotted on graph gives a line. For such questions, we should know about the slope intercept form.