Find the sum of 2x2 + 3x - 4, 8 - 3x, and -5x2 + 2.

A) -3 x2 - 2
B) -7 x2 - 6 x - 2
C) -3 x2 + 6
D) -7 x2 - 2

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?