If h (x) = 3x + 5 and h (a) = 27, then what is the value of a?

A boat can travel 24 miles in 3 hours when traveling with a current. Against the same current, it can travel only 16 miles in 4 hours. Find the rate of the current and the rate of the boat in still water.

What is the sum of the measures, in degrees, of the interior angles of a 16 - sided polygon?

Is 7 a solution to 5x-9=26

Write the solution of the inequality in set-builder notation. 5r + 8 < 63 A. {r l r<11} B. {r l r>11} C. {r l r<12} D. {r l r>12}

How do you solve division equations using models

Neil drives at an average speed of 60 miles/hour to reach his destination 480 miles away. On the way back, he decides to increase his speed to try to save at least one hour.

The students in Ms. Gonzales' fifth grade math class earned the following grades on their first test: 46, 56, 64, 64, 72, 76, 77, 82, 94, 96, 99 what was the mean of the grades? (round to the nearest whole number)

Solve the inequality - x/2 < 4 A. x - 8 C. x 8

when 21 is subtracted from the square of a number, the result is 4 times the number. find the negative solution

If y = 40, solve for x. y=4/5