Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.

A.
B. t-7
C.
D. t3sr

Answer: A

Mathematics

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Evaluate the integral.

A. -  cos 3x - x sin 5x + C
B. -  cos 3x -  sin 3x + C
C. -  cos 3x - x sin 3x + C
D. -  cos 3x - 5x sin 3x + C

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Mathematics

Convert the angle to decimal degrees and round to the nearest hundredth of a degree.-298°25'7''

A. -298.41° B. -298.42° C. -298.46° D. -298.36°

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Mathematics

Refer to the following recipe to first estimate the answer and then use multiplication or division to find the exact answer. Simplify. Old Grandma's Fork Cookies 1 cups brown sugar 1 cups white sugar 1 cups shortening 1 pinch salt 3 eggs 2 tsp soda 2

/> tsp cream of tartar 1 tsp vanillaCream sugars and shortening. Beat in remaining ingredients. Add flour to stiffen like regular cookie dough. Roll into balls, then flatten with a fork. Cook until brown.If the recipe is doubled, how much brown sugar will be needed?

A. Estimate: 3 cups
Exact: 4 cups
B. Estimate: 3 cups
Exact: 2 cups
C. Estimate: 4 cups
Exact: 4 cups
D. Estimate: 4 cups
Exact: 3 cups

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Mathematics

Solve the quadratic equation by completing the square.x2 + x + 7 = 0

A.
B.
C.
D.

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Mathematics