What is an equivalent expression to 9 (2a+1)

A rectangular playground is to be fenced off and divided in two by another fence parallel to one side of the playground. 452 feet of fencing is used. Find the dimensions of the playground that maximize the total enclosed area.

If A=37 and b = 6 find a

A cat spends about 7 out of 10 hours sleeping about what percent of a cat's day. Is it spending sleeping?

15 nore than half of a number is 26. find a number

LaTanya leaves her house at 12:30pm and bikes at 12 mi/h to marta's House she stays at marta's House for 90mij both girls walk back to laTanya's house at 2.3mi/h. They arrive at LaTanya house at 3:30pm how far is marat's house from laTanya house

How do i check if 12=x-4 is 16

120 decreased by 45%

A coral reef grows 0.11m every week. How much does it grow in 14 weeks? Write your answer in centimeters.

A biologist is studying the composition of birds on a lake and counts 61 ducks, 17 geese, 11 cranes, 15 swans, and 6 herons.

During a heavy rain storm, a city in Florida received 12 1/4 inches of rain in 25 1/2 hours what is the approixmate rainfall rate in inches per hour