Find the value a1 for an arithmetic sequence if the sum of 9 terms is 45 and the last term is 6

A. 4
B. 2
C. 1/4
D. 1/2

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

Which graph represents the function g(x) = |x + 4| + 2?