The length of a rectangle is 2x – 3 feet, and the width is 5 feet. what is the area of the rectangle in square feet?
a. 7x – 15
b. 10x – 15
c. 10x – 8
d. 7x – 8

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed