What is the sum of the first 27 terms of the following sequence? 1, 5, 9, 13, . .
a. 1,431
b. 1,571
c. 2,862
d. 2,943

In a column proof the right column states your reasons

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90

Arock was dropped from the top of a building. the function that describes the height after it was dropped is f(x)=64-16x^2. what are the zeros of the function and what do they mean?