2r2 + 3s3 − r2 + 4t2 − r2 if r = −2, s = −3, and t = 5

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8

Aiko jumped rope for 20 min and stopped at 8: 05 when did she start

To increase her number of students, the instructor put a coupon in the local paper offering to waive the one-time fee for new students. what is the value of the coupon?