Classify each equation as linear or quadratic.8 = -7x2 + 13x
A. Quadratic
B. Linear
Answer: A
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Solve the problem.?1 and ?2 are supplementary angles. What are the measures (to the nearest hundredth) of the two angles? 
A. ?1 = 30.33°, ?2 = 149.67° B. ?1 = 30.33°, ?2 = 151.67° C. ?1 = 30°, ?2 = 148.00° D. ?1 = 15.33°, ?2 = 74.67°
Find the area under the normal curve.Find the percent of the area under a normal curve between the mean and 2.41 deviations from the mean.
A. 49.18% B. 49.20% C. 99.20% D. 50.80%
Let x represent the unknown. Using the given "word" equation, write an equation and solve.Jake and Bob are buying a gift together for Jamie. The gift costs $53, and Jake contributes in $25. How much money does Bob need to contribute? amount Jake contributes + amount Bob contributes = total cost of gift
A. x = 53; $53 B. 25 - x = 53; $78 C. 25 + x = 53; $28 D. x- 25 = 53; $78
Subtract.68,776
A. 13,431 B. 18,461 C. 13,451 D. 13,461