Which of the following is a perfect square?

A. 169

B. 279

C. 154

D. 115

A gardener cuts a plant down by 1 5/8 inches. The plant then grows 9 1/4 more inches. What is the total change in the height of the plant?

An overnight mail service charges $5.10 for the first 6 ounces and $.85 for each additional ounce or fraction of an ounce. Find the weight, in ounces, of the package that cost $11.90 to deliver

Sue wants to use mental math to find 7x53 write an expression she could use

Ally has 5 crayons. Mike has 3 fewer crayons than Ally. Danny has 1 more crayon than Mike and Ally have in all. How many crayons do Danny, Ally, and Mike have in all?

Put these numbers in descending order. 0.251 0.18 0.7 0.171

Write an expression showing 8 less than a number, t

Carla, the baker, worked for 5 hours to make cookies. She made 380 cookies altogether. Write an equation to express how many cookies Carla made each hour.

17.8900 in word form

A parallelogram where opposite angles are equal and all sides are equal

Is 0.019 greater than0.02