Combine the like terms to simplify the expression:
5 + 7 + 15xy2 + 9y3 + 10x –13xy2 – 3x – 8y3
a.
y3 + 2xy2 + 7x + 12
b.
y3 –2xy2 + 10x + 15
c.
y3 + 2xy2 + 10x + 1
d.
y6 + 2x2y2 + 10x + 12

Acity plans to build a new rectangular-shaped park. the perimeter of the park will be 940 meters. the width of the park will be 300 meters. what will be the length, in meters, of the new park?

Select the correct answer. what is the surface area of the victory podium shown here? include all surfaces of the podium, including the bottom. a. 61.5 square feet b. 61.75 square feet c. 65.25 square feet d. 69 square feet

Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia