Find the exact value of the expression.cos 25° cos 35° - sin 25° sin 35°

A.
B.
C.
D.


Answer: D

Mathematics

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Solve the problem.A rectangular garden measures 23.9 meters by 52.5 meters. What is its area? Use the formula, where A is the area, l is the length, and w is the width.

A. 1254.75 m2 B. 76.4 m2 C. 1144.75 m2 D. 12,547.5 m2

Mathematics

Write the number in words.While working as a stockbroker, Francois sold securities worth  last year.

A. Six million, four hundred thousand, nine hundred dollars B. Six million, four thousand, nine dollars C. Six million, four thousand, nine hundred dollars D. Six million, four hundred thousand, nine dollars

Mathematics

Use either the binomial theorem or Pascal's Triangle to expand the binomial.(x + 8y)5

A. x5 + 40x4y + 1280x3y2 + 10,240x2y3 + 20,480xy4 + 8y5 B. x5 + 40x4y + 640x3y2 + 5120x2y3 + 20,480xy4 + 32,768 C. x5 + 40x4y + 1280x3y2 + 10,240x2y3 + 20,480xy4 + 32,768y5 D. x5 + 40x4y + 640x3y2 + 5120x2y3 + 20,480xy4 + 32,768y5

Mathematics

Graph the function. State whether it is increasing, decreasing, or constant..h(x) = -2x + 5

A. increasing

B. increasing

C. decreasing

D. decreasing

Mathematics