What is - 20 divided by 4/5

A. - 25

B.-16

C. - 1/16

D. - 1/25

Testing a Lie Detector The table below includes results from polygraph (lie detector) experiments conducted by researchers Charles R. Honts (Boise State University) and Gordon H. Barland (Department of Defense Polygraph Institute).

If the length of side a is 12 centimeters, m_B = 36°, and m2C = 75°, what is the length of side b? Round your response to two decimal places.

Approximate the square root of 600 to the nearest tenth. A. 24.3 B. 24.4 C. 24.5 D. 24.6

at the city pool you can buy an ice cream cone for $5 and a popsicle for $2. The pool sold 81 treats for a total of $312. How much of each treat did thry sell? Be sure to define your variables

Muriel says she has written a system of two linear equations that has an infinite number of solutions. One of the equations of the system is 3y = 2x - 9. Which could be the other equation? a. 2y = x - 4.5 b. y = 2/3x - 3 c. 6y = 6x - 27 d.

What is the interquartile range of the following data set? 13, 17, 18, 15, 12, 21, 10

Consider the following equation: f′ (a) = limh→0 (f (a+h) - f (a)) / h Let f (x) = 3√x If a≠0, use the above formula to find f′ (a) = Show that f′ (0) does not exist and that f has a vertical tangent line at (0,0)

Which of the following describes graphing y ≥ |x| - 4? Translate y = |x| down 4 units and shade inside the V. Translate y = |x| up 4 units and shade inside the V. Translate y = |x| left 4 units and shade inside the V.

A train goes at a constant speed. If it covers 150 miles in 2 1/2 hours, How long would it take for that train to cover 270 miles?

0.35555555555 as a fraction