31. Consider the expression. (15-3)?
15
For what value of x will the expression be equivalent to 15°?
A 6
B 0
с
-6
D
-12

Which of the following are arithmetic sequences? check all that apply. a. 0.3, 0.6, 0.9, 1.2, 1.5, b. 2, 3, 6, 11, 18, c. 150, 147, 144, 142, d. 2, 4, 9, 16, 25,