Find the product.(x + 7)(x3 + 2x - 6)

A. x4 + 7x3 + 2x2 + 8x - 42
B. x3 + 9x2 + 8x - 42
C. x4 + 7x3 + 2x2 + 20x + 42
D. x4 + 2x2 - 6x + 7


Answer: A

Mathematics

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In the circuit below, find IT in rectangular form if IR = 7 mA and IC = 9 mA.



a. 16 mA - j2 mA
b. 16 mA + j16 mA
c. 9 mA + j7 mA
d. 7 mA + j9 mA
e. -2 mA + j16 mA

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Use the order of operations to simplify the expression. ÷  ? 

A.
B.
C.
D.

Mathematics

Choose the most reasonable measurement.Tyrell read the nutrition label on the back of his frozen dinner. Choose the most reasonable estimate for the amount of sodium in the dinner.

A. 510 t B. 510 mg C. 510 kg D. 510 g

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Solve the problem.How many degrees are there in an angle that measures 24° more than the measure of its compliment?

A. 33° B. 57° C. 78° D. 102°

Mathematics