Simplify the expression.sin 8x cos 4x + cos 8x sin 4x

A. sin 4x
B. sin 12x
C. cos 12x
D. cos 4x


Answer: B

Mathematics

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Sketch the plane in a three-dimensional space represented by the equation.

z=-1

Mathematics

Divide.-75 ÷ (-3)

A. -25 
B. 25 
C.
D. 15

Mathematics

Use the pictograph to answer the question.The pictograph illustrates the number of miles driven each day for one week. Each car represents 15 miles. How many more miles were driven on Wednesday than on Sunday?

A. 60 miles B. 45 miles C. 30 miles D. 75 miles

Mathematics

The rabbit population on a small island is observed to be given by the function

? ? where t is the time (in months) since observations of the island began. ? ? (a) When is the maximum population attained? Please give the answer to two decimal places. ? __________ months ? (b) What is that maximum population? Please give the answer to the nearest whole. ? (c) When does the rabbit population disappear from the island? Please give the answer to two decimal places. ? __________ months What will be an ideal response?

Mathematics