What is the explicit formula for this sequence? 7, 2, -3, -8,...
A. an = -5+ (n - 117
B. an = 7+ (n - 115
C. an= -7 + (n - 1)(-5)
D. an = 7+ (n - 1)(-5)

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?