9. If 3/4 of a ton of sand covers 2/5 of a playground, how many tons of sand are required to cover the entire playground

What is the value of n in n-8<10?

What inergers that are greater than zero

In a table how many cups of flour would you need to make 90 cookies

You are shopping for jeans. Old Navy sells 3 pairs of jeans for $24. Wet Seal sells 2 pairs of jeans for $16. Marshall's sells 4 pairs of jeans for $39. Which store has the best deal?

Ninety percent of the 30 students were right handed what percent of the students were left-handed?

Which equation forms a pair of linear equations with 9x+12y=48 such that the system has no soulution?

What is the percent of decrease from 155,000 to 140,00

A telephone company charges $0.30 for the first 4 minutes of a call and $0.18 for each additional minute. How long can a person talk for $3

determine if these equations are true or false A. 50 tens x 4 hundreds = 40 tens x 5 hundreds B. 24 x 10 x 90 = 90 x 2400

A shipment of 9 microwave ovens contains 2 defective units. A restaurant buys four of these units. What is the probability of the restaurant buying at least three nondefective units?