Translate the statement into a mathematical expression.An employee's salary, s, is increased by $480.
A. 480
B. s + 480
C. 480s
D. s - 480
Answer: B
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Express the number in exponential form.2.49(cos 28.2° + j sin 28.2° )
A. 28.2e2.49j B. 2.49e28.2j C. 2.49e0.492j D. 0.492e2.49j
Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by the circle x2 + y2 = 16, on the right by the line 
, and above by the line y = 4
A. 64?
B. 
?
C. 
?
D. 16?
Expand the expression using the Binomial Theorem.(2x + y)6
A. 2x6 + 12x5y + 30x4 y2 + 40x3y3 + 12xy5 + y6 B. 64x6 + 192x5y + 240x4y2 + 160x3y3 + 240x2y4 + 192xy5 + 64y6 C. 64x6 + 192x5y + 480x4y2 + 960x3y3 + 1440x2y4 + 12xy5 + y6 D. 64x6 + 192x5y + 240x4 y2 + 160x3 y3 + 60x2y4 + 12xy5 + y6
Solve the problem by using three variables.The sum of the ages of Art, Ben, and Cal is 59. Art is 1 year older than Cal and Cal is 1 year younger than Ben. Who, if anyone, was a teenager 7 years ago?
A. Ben B. Art C. Art, Ben, and Cal D. Art and Ben