Find the area of the rectangle or square.Length = 8 cm, width = 6 cm

A. 96 cm2
B. 28 cm2
C. 48 cm2
D. 14 cm2


Answer: C

Mathematics

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Identify the equation as either an identity or not.sin 2x sin 2y = cos2(x + y) - cos2(x - y)

A. Not an identity B. Identity

Mathematics

The management of Acrosonic plans to market the ElectroStat, an electrostatic speaker system. The marketing department has determined that the demand for these speakers is , wherepdenotes the speaker's unit price (in dollars) andxdenotes the quantity demanded.


Acrosonic's production department estimates that the total cost (in dollars) incurred in manufacturing x ElectroStat speaker systems in the first year of production will be .

Find the profit function P and select the graph of the profit function.


A. ?


B. ?


C. ?


Mathematics

Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.3x = 772

A. x = log 
B. x = log3772
C. x = log 2316
D. x = log3-772

Mathematics

Solve the problem.If x dollars is deposited every four weeks (13 times a year) into an account paying an annual interest  expressed in decimal form, then the amount An in the account after n years can be approximated by the formula If a retirement account pays 9% annual interest, determine how much a  worker would have to deposit in this account every 4 weeks in order to have a million dollars at age 65.

A. $6806.16 B. $68.06 C. $124.51 D. $12,451.12

Mathematics