15. Find the sum of 16y and - 5y?

16. Find the difference of 10x'y and 2x'y

17. Subtract 9a from - 15a

18. From - 9cd?, subtract - 2cd?

A board 36 in long is cut into two pieces. which equation describes the situation? A.) x + 2y = 36 B.) x = y - 36 C.) x - y = 36 D.) x = 36 - y

Max and his family visited the beach and the mountains during the summer. They stayed at the beach 5 fewer than 3 times as many days as they stayed in the mountains.

How to graph the inequality b is greater then or equal to 0

Bethany is making cookies for her friend. If it takes her 15 minutes to make 3 dozen, how long will it take her to make 6 dozen at the same rate? 30 minutes 40 minutes 50 minutes 60 minutes

What is the simplified form of 72x16/50x36? Assume x ≠ 0.

X2 + 20x + 99 Factor the expression

A scale drawing of a rectangular park measures 7.5 inches long and 4 inches wide. if the scale used for the drawing is 2.5 inches equals 15 yards, what is the actual length of the park?

Suppose that in a certain sinkhole the ground dropped 69.6 ft in 24 hr. Find the unit rate representing the change in altitude per hour ... the unit rate representing the change in altitude is how many feet per hour

Mindy had 1/2 of a can of soda left. If she shared it equally with her sister, how much of the can of soda did they each have? Choose the model that represents the answer. A. 1/4 B. 1/2 C. 2/2 D. 1/6

1 third plus 1/2 - 1/5 equals