1. Find the first, fourth, and eighth terms of the sequence. A(n) = –2 • 2^n–1

A. –4; –32; –512

B. 1; –64; –16,384

C. –8; –64; –1,024

D. –2; –16; –256

Which multiplicative property is being illustrated below? (type commutative, associative, or identity) 5 × 2 × 4 = 2 × 5 × 4

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Solve 3x-18=2y and 5x-6y=6 by elimination show work