Identify the equation as either an identity or not.sin (A + B) + sin (A - B) = 2 sin A cos B
A. Not an identity
B. Identity
Answer: B
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Use the two steps for solving a linear programming problem to solve the problem.An office manager needs to buy new filing cabinets. Cabinet A costs $7, takes up 7 square feet of floor space, and holds 7 cubic feet of files. Cabinet B costs $8, takes up 10 square feet, and holds 15 cubic feet. He has only $94 to spend and the office has room for no more than 100 square feet of cabinets. He wants to have at least one of each type of cabinet. How many of each can he buy to maximize storage capacity?
A. 0 cabinet A and 13 cabinet B B. 10 cabinet A and 3 cabinet B C. 13 cabinet A and 0 cabinet B D. 3 cabinet A and 10 cabinet B
Which level of cognitive demand corresponds most closely to the “knowledge” category in Bloom’s Taxonomy?
a. Memorization b. Procedures without connections c. Procedures with connections d. Doing mathematics
Find the linear function that is the best fit for the given data. Round decimal values to the nearest hundredth, if necessary.
A. y = 54 B. y = 2.5x + 50.4 C. y = 55.3 D. y = 3x + 50
Solve the problem.The markup on an item is its selling price, s, minus its cost, c. If a new printer costs $284.25 and it sells for 
what is the markup?
A. $115 B. $115.74 C. $124.26 D. $684.24