Anthony will be competing in a body building competition in 12 months. he initially weighs 160 pounds and by the end of 12 months weighs 232 pounds. what is the approximate rate of change in anthony's body weight?

3x + 4y = 5 x- 3y = -7 solve by substitution

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?