Evaluate C(20, 2).
380
190
18

What is the explicit formula for this sequence? -7, -4, -1, 2, a.) an = 8 + (b - 1)3 b.) an = -7 + (n - 1)3 c.) an = 3 + (n -1) (-7) d.) an = -7 + (n - )

Find │–14│ a. 14 b. –14 c. start fraction 1 over 14 end fraction

Hundred and tens tables to make 430 in five different ways