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(05.01 MC) If the cos 42° = , then the sin 48° = _____.

(06.03 LC) The volume of a fish tank is 70 cubic feet. If the density is 0.4 , how many fish are in the tank?

(04.01 LC) Which statement explains how you could use coordinate geometry to prove that quadrilateral ABCD is a rectangle?

(07.04 HC) Right triangle ABC is located at A (−1, −2), B (−1, 1), and C (3, 1) on a coordinate plane. What is the equation of a circle A with radius ?

(04.02 MC) Quadrilateral EFGH is on a coordinate plane. Segment GH is on the line 2x + y = 2, and segment FE is on the line 2x + y = 4. Which statement proves how segments GH and FE are related?

(05.02 HC) Elliott is standing at the top of a store escalator that leads to the ground floor below. The angle of depression from the top of the escalator to the floor is 39.81°, and the escalator is 15.5 feet long. How far is the top of the escalator from the ground floor? Round your answer to the nearest foot.

(06.01 HC) Pyramid A is a square pyramid with a base side length of 14 inches and a height of 6 inches. Pyramid B has a volume of 3,136 cubic inches. How many times bigger is the volume of pyramid B than pyramid A? Give your answer as a percentage. Provide an explanation and proof for your answer to receive full credit.

(06.04 MC) Find the total surface area of a cylinder with a height of 7 cm and radius of 3 cm. Leave your answer in terms of π.

(06.01 HC) Pyramid A is a square pyramid with a base side length of 18 inches and a height of 9 inches. Pyramid B has a volume of 3,136 cubic inches. How many times bigger is the volume of pyramid B than pyramid A? Give your answer as a percentage. Provide an explanation and proof for your answer to receive full credit.

(07.03 MC) Using the following equation, find the center and radius: x2 + 4x + y2 − 6y = −4