Marianna average 84 on her first three history exams. The first score was 67 the second score was seven less than the third score. What did she score on the second and third exams?

Write an equivalent expression. (-11f) - 2 (-f - 4) - 10

From the top of a 150-ft lighthouse, the angle of depression to a ship in the ocean is 22°. How far is the ship from the base of the lighthouse? (Round your answer to the nearest foot.)

F (x) = - 1/4 (x-1) ^2 - 3 I dont understand how to figure this question out, i ned the vertex, axis of symmetry, and the zeros.

Solve for x. 8 - 3x - x = 12

Samuel has 20$ in his savings account before he makes a deposit of $160. After 2 weeks, he withdraws $160. How did samuels savings account balance change?

Simplify - 2 (v+5) + 5 (4v-2)

Find the square root of 156.25 by division method

Identify the percent of change as an increase or a decrease. 120 meals to 52 meals response - correct Increase Decrease Question 2 Find the percent of change. Round to the nearest tenth of a percent if necessary. %

9. We measure time in hours. Suppose 12 noon is represented by the integer 0. a) Which integer represents 1 P. M. the same day? b) Which integer represents 10 A. M.

A cube has a surface area of 294 square cm. Find the length of one side.