Use the distributive property to rewrite the algebraic expression without parentheses. Then simplify the result, if possible.9(7x - 4)
A. 99x
B. 63x - 36
C. 16x - 13
D. 63x - 4
Answer: B
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Solve the problem.A ship sailing parallel to shore sights a lighthouse at an angle of 10° from its direction of travel. After traveling 3 miles farther, the angle is 21°. At that time, how far is the ship from the lighthouse?
A. 3 mi B. 2.73 mi C. 1.45 mi D. 5.63 mi
Use the graph of y = f(x) to state the value of the requested quantity if it exists.
f(x)
A. does not exist B. 0 C. 1 D. -1
Check the addition. If the answer is incorrect, find the correct answer.
1523
A. Correct B. Incorrect; should be 1525 C. Incorrect; should be 1623 D. Incorrect; should be 1521
Write an equivalent expression using a commutative or associative law, as indicated.x + (4y + 7); associative
A. (4y + 7) + x
B. (x + 4y) + 7
C. x + (
+ 7)
D. x + (7 + 4y)