Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.
-2
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Simplify the expression by combining like terms.4y + y - 7y
A. -3y B. -2y C. -4y D. -3y + y
Mathematics
In a right triangle, find the length of the side not given. Let c represent the length of the hypotenuse. Give an answer to the nearest tenth if necessary.a = 1 ft, b = 6 ft
A. c = 7 ft B. c ? 6.1 ft C. c ? 5.9 ft D. c ? 2.6 ft
Mathematics
Translate the sentence to an algebraic inequality.A number is less than or equal to 9.
A. x > 9 B. x < 9 C. x ? 9 D. x ? 9
Mathematics
Find the measure of the supplement of the angle.Find the supplement of 140°.
A. 220° B. 230° C. 130° D. 40°
Mathematics