Simplify the expression.(-10) ? (-7)
A. 77
B. -80
C. 70
D. 80
Answer: C
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Use a graphing calculator to solve the equation to the nearest tenth.x2 - 9x - 3 = 0; x between 9 and 10
A. 9.2 B. 9.4 C. 9.5 D. 9.3
Find the slope of the line that passes through the given two points. If the slope is undefined, state this.(2, -5) and (2, 3)
A. 2 B. Undefined C. 4 D. 8
An observer for a radar station is located at the origin of a coordinate system. For the point given, find the bearing of an airplane located at that point. Express the bearing using both methods.(7, -7)
A. 45°; S 45° E B. 45°; N 45° W C. 135°; N 45° W D. 135°; S 45° E
State the name of the property illustrated.5 ? (6 ? 17) = 5 ? (17 ? 6)
A. Identity property of multiplication B. Commutative property of multiplication C. Distributive property of multiplication over addition D. Associative property of multiplication