which product is not equal to -1?
A. 4/5 • 85/68
B. 3/27 • 216/24
C. 7/8 • 16/14
D. -1/12 • -12
1 answer
None of them are equal to -1. Please check your signs and post again. All of the answers will be positive.
A. 4/5 • 85/68
B. 3/27 • 216/24
C. 7/8 • 16/14
D. -1/12 • -12
1 answer