Solve the problem.After receiving a discount of 7.5% on its bulk order of notebooks, John's Office Supply pays $3145. What was the price of the order before the discount?

A. $3381
B. $3066
C. $3400
D. $2909


Answer: C

Mathematics

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Solve the problem.A piece of land is shaped like a right triangle. Two people start at the right angle of the triangle at the same time, and walk at the same speed along different legs of the triangle. If the area formed by the positions of the two people and their starting point (the right angle) is changing at  then how fast are the people moving when they are  from the right angle? (Round your answer to two decimal places.)

A. 12.50 m/s B. 0.40 m/s C. 0.20 m/s D. 0.80 m/s

Mathematics

Solve the problem.Behemoth Back Packs, Inc. finds that the cost to make each of its backpacks is $109 and each backpack sells for $173. If the company's fixed costs for a month are $4055, how many backpacks must the company sell in a month in order to make a profit?

A. at least 64 backpacks B. at most 75 backpacks C. at least 15 backpacks D. at least 146 backpacks

Mathematics

Without graphing, determine whether the graph of the quadratic function opens up or opens down.f(x) = -7x2 - 3x + 5

A. opens down B. opens up

Mathematics

Use ZERO (or ROOT) to find the solutions to the equation. Round to two decimal places.x2 + 3x - 6 = 0

A. x = 1.37, -4.37 B. x = 1.21, -4.55 C. x = 1.19, -4.55 D. x = 1.19, -4.53

Mathematics