Why do u think each letter in a polygon's name can be used only once

An ion has a charge of + 7. How far is it from being neutral? A. - 0.07 B. - 7 C. 7 D. 70 E. 0.7

Rewrite the function by completing the square. f (x) = x^2 - 16x - 100 f (x) = (x+___) ^2 + ___?

Which situation below correctly represents the algebraic expression 4 + 5g? A. Nikki has 4 sticks of gum and Breanne has 5 times as many sticks of gum as Nikki. B.

During a research experiment, it was found that the number of bacteria in a culture grew at a rate proportional to its size. At 7 :00 AM there were 2,000 bacteria present in the culture. At noon, the number of bacteria grew to 2,600.

a pair of in-line skates regular regular price at 180 is now on sale at 8:30 percent discount what is the sales price of the skates

Solve this answer 5/3 + 2/5

The algebraic expression 1.5x gives the total length of shelf space needed in inches for x encyclopedias. Find the length of shelf space needed for a set of 30 encyclopedias.

What is the fraction and decimal for 71%

Two rectangular pyramids are similar. The smaller pyramid has a volume of 12 cubic feet, and the larger pyramid has a volume of 324 cubic feet. If the smaller pyramid has a height of 6 feet, what is the exact height (in feet) of the larger pyramid?

A swimming pool is open for 7 1/2 hours a day. Each lifeguard will stay on duty for 1 1/2 hours. How many lifeguards will be needed for one day?