Find the indicated sum for each sequence.
s9 of –9, 36, –144, 576, ..

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?