19. the table shows four numeric expressions. which expression is an integer when it's evaluated? a. c b. a c. d d. b expression name expression a –8 + 4⁄7 b 7 – 0.5 c 9 + (–3) d 3.8 – 6.7

What value of x is in the solution set of 4x – 12 s 16 + 8x?

How many ordered pairs of positive integers satisfy xy=32?

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?