He price of oranges went from $.90 per lb to $1.20 per lb in five years. Find the rate of change of the price of oranges.

A) $0.30 per pound per year

B) $0.06 per pound per year

C) $0.24 per pound per year

D) $0.18 per pound per year

If f (x) = **, what is fa + 2) ?

A certain number was multiplied by 4. Then, this product was divided by 19.4. Finally 6.4 was subtracted from this quotient, resulting in a difference of - 8.4, What was this number?

A grade school class is nearing the final round of musical chairs. 5 students are left and there are 3 chairs available. How many combinations could be made of these 5 students in the 3 chairs?

Each side of an equilateral triangle measures 32 centimeters, as shown. What is the approximate height h of the triangle?

If you save $700 and earn $3 interest for every $100, how much money will you have in all?

Can two data sets have the same mean but different standard deviations?

Ethel Meyer sells wheelchairs. She earns 11 percent commission on the first $5,000 and 14 percent on all sales over $5000. How much commission will she earn on $14,000 in sales?

An ice cream store sells 2drinks, in 5 sizes, and 5 flavors. In how many ways can a customer order a drink?

Kristen goes on a cave tour with her family. They climb down to 8 meters below ground level. Then they climb the opposite of - 8 meters to return to ground level. How many meters did they climb in all? Enter your answer in the box.

What percentage of a dollar is the value of each coin combination? a. 4 dimes b. 1 nickel and 3 pennies c. 5 quarters and 1 dime