If a = 3, b = – 1 and c = 2, then a + b + c
a) 5
b) – 5
c) 4
d) – 4
The expression (3c – 3d) – (c – 3d) when simplified is
a) 2c – 6d
b) 2c
c) 4c – 6d
d) 4c

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

The equation |pl = 2 represents the total number of points that can be earned or lost during one turn of a game. which best describes how many points can be earned or lost during one turn? o o -2 2 oor 2 -2 or 2 o

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|