Solve the problem.Bathing suits are often on sale in July. The regular price of one suit is $28. With a 15% discount, what is the sale price of the suit?

A. $22.80
B. $4.20
C. $24.80
D. $23.80


Answer: D

Mathematics

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Find the volume of the described solid.The base of a solid is the region between the curve y = 6cos x and the x-axis from x = 0 to . The cross sections perpendicular to the x-axis are squares with bases running from the x-axis to the curve.

A. 9?
B. 3?
C. 18?
D. ?

Mathematics

Use a calculator and the change-of-base formula to find the logarithm to four decimal places.log5 30.99

A. 1.4912 B. 6.1980 C. 0.4687 D. 2.1335

Mathematics

Write the augmented matrix for the system. 2x + 6y = 18  6y = 6

A.
B.
C.
D.

Mathematics

Simplify. 

A.
B. 1
C.
D.

Mathematics