Jake goes to the grocery store and buys 3 apples, 2 cans of soup, and 1 box of cereal. the
apples cost $0.89 each; the soup costs $2.98 per can; and the box of cereal costs $4.99.
write an equation that represents the total cost cof jake's purchases.

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

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

What is the ratio fraction form of 25: 9