When solving for y in a equation what is the answer to 5x-3y=21

Evaluate |5| - |-5|.

a 3 1/2 foot by 50 foot concrete wall is to be built using concrete blocks. Find the area of the wall

Jocelyn invested $8,600 in an account paying an interest rate of 3.1% compounded quarterly. Assuming no deposits or withdrawals are made, how much money, to the nearest hundred dollars, would be in the account after 15 years?

Which of the following is thea correct translation for the expression x - 6?

It is halfway - 1 and + 1

What number should be added to - 21 to get the sum of - 26

If the lake is 6 miles across, how long did it take them to complete their trip?

18b) A bag contains 300 counters which are red blue and yellow. - are red, are blue. How many are yellow?

Solve for h, if the given equation is: s=2πr^2+2πrh solve

El has $10.25 to spend at the book fair. She wants to purchase 3 books that cost 12.45 $3.15 and $4.30. Does she have enough money to purchase al 3 books?