Which expression is equivalent to n (3+2n) ?

a) 2n²+3n+5

b) 5n+5

c) 2n+8

d) 11n

What is the square root of 2x equals 8

Two numbers are randomly selected on a number line numbered 1 through 9. The same number can be chosen twice. What is the probability that both numbers are greater than 6?

True or False A possible exponential growth function is ƒ (x) = 14,000 • 1.012x.

The volumes of two similar figures are 343 mm3 and 512 mm3. If the surface area of the larger figure is 192 mm2, what is the surface area of the smaller figure?

Pyramid A is a square with the base side length of 14 inches and a height of 6 inches. Pyramid B has a volume of 3,136 cubic inches. how many times bigger is the volume of pyramid B than A. Give your answer as a percent.

A company purchased $10,000 of merchandise on January 5 with terms 2/10, n/30. On January 7, it returned $1,200 worth of merchandise. On January 28, it paid the full amount due.

Find each unit price. Which is the better buy? Explain Electrical wire : $1.49 for 3 ft or $.69 for 18 in. Explain

A used book store will trade 2 of its books for 3 of yours. If Val brings in 18 books to trade, how many books can she get from the store?

What is the exact value of 13pi/8

What is the height, h, of the large triangle? Area of triangle = 108