Solve the problem by estimating.Linda scored 92, 95, 70, 98, 64, and 100 on her calculus tests. Round each score to the nearest ten to estimate her total score.
A. 530
B. 520
C. 500
D. 510
Answer: B
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Solve the problem.The force acting on a pendulum to bring it to its perpendicular resting point is called the restoring force. The restoring force F, in Newtons, acting on a string pendulum is given by the formula F = mg sin?where m is the mass in kilograms of the pendulum's bob, g ? 9.8 meters per second per second is the acceleration due to gravity, and ? is angle at which the pendulum is displaced from the perpendicular. What is the value of the restoring force when m = 0.6 kilogram and ? = 64°? If necessary, round the answer to the nearest tenth of a Newton.
A. 5.5 N B. 5.4 N C. 5.3 N D. 2.6 N
Factor the trinomial, if possible.15x2 + 22x + 8
A. (3x - 2)(5x - 4) B. (3x + 2)(5x + 4) C. (15x + 1)(x + 8) D. (15x + 2)(x + 4)
Solve the problem.John earns $13.99/hour. If he works 17 hours, how much will he earn?
A. $237.93 B. $238.93 C. $237.84 D. $237.83
The bar graph below shows the temperatures recorded as the high temperature in Little City on Brianna's birthday for the indicated years. 
In which year was the recorded temperature the highest?
A. 2001 B. 2003 C. 2002 D. 1998