Which expression is equivalent to (3/4)^-2 16/9 −9/16 9/16 −6/8

2-digit numbers less than 91 which are 1 less than a multiple of 10

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.