Which of the equations are true identities? A. (a + b)(2a + 1) = a(2a + 2b + 1)
B. (n + 2) ^ 2 - n ^ 2 = 4(n + 1)

Choose 1
a. Only A
b. Only B
c. Both A and B
d. Neither A or B

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs