5. 4x - y = 12

2x + 2y = 6

Jack is 4 times as old as Lacy. 3 years ago the sum of their ages was 64. How old are they now?

How many square tiles with sides 1 ft long on each edge would be needed to the floor of an 8-by-13ft room

How to make a sentence using the word by

Solve for n in literal equation a (n-2) + 3=bn N = ?

Show two ways three people can share 5 segment chewy worms

The median of a set of three numbers is x. there at least three numbers in the set. Write an algebraic expression, in terms of x, to represent the median of the new set of numbers obtained by a. adding 1/8 to every number in the set b.

Does 9/15 terminate or repeat?

Sara owns an exotic pet store. She wants to make sure she has more than a pound of food for every 15 lizards she has in the store. If she currently has 4.

Select the correct answer. Raymond wants to increase the size of his fenced yard for the dog he plans to adopt next month. He wants the area of the fenced yard to be 900 square meters.

Find the product of 1.05 and 0.7.