The number 89 is decreased to 64. What is the percentage by which the number was decreased, to the nearest tenth of a percent?

A teacher instituted a, new reading program at school. After 10 weeks in the program it was found that the mean reading speed of a random same 19second grade students was 94.6 wpm. What might you conclude based on this result?

Given g (x) = x²-3x-6, find (g o g) (-2)

For each of the following, findf (1), f (2) and f (3) by substituting the values of x (x = 1, 2, & 3) into each function. 1. f (x) = 2x 2. f (x) = 3x

Karl used his credit card to buy a 90-inch HD flat-screen TV for $2,600. The credit card company charges 28% compound interest per year. If Karl made no payments for 2 years, how much would he owe the credit card company?

What is the solution of the equation? 3 = b 3 a. 6 b. 9 c. 1 d. 0

YOur dinner at a resturant costs $13.65 after you use a coupon for a 25% discount. You leave a tip for $3.00. HOw much was your dinner before the discount?

Find an equation equivalent to r=6secθ in rectangular coordinates and describe the graph of the equation.

A construction company is laying concrete for a new building. The company has 4 dump trucks with 1.15 tons of gravel each, and 2 dump trucks with 0.7 tons of sand. How many tons of material will the company use for the new building?

Find amount of tips on a 75 bill if a 50% tip is left

What is 5x - (8x+9) + 4.5x