Use your estimation skills to pick the most reasonable answer. Do not solve the problem.797.22 - 0.8
A. 0.79642
B. 7.9642
C. 796.42
Answer: C
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Solve the problem.Jill Sharp, a fitness trainer, has an exercise regimen that includes running, swimming, and walking. She has no more than 12 hours per week to devote to exercise, including at most 4 hours running. She wants to walk at least three times as many hours as she swims. Jill will burn on average 528 calories per hour running, 492 calories per hour swimming, and 348 calories per hour walking. How many hours per week should Jill spend on each exercise to maximize the number of calories she burns? What is the maximum number of calories she will burn? (Hint: Write the constraint involving walking and swimming in theform ? 0.)
A. 4 hr running, 1 hr swimming, and 7 hr walking; 5040 calories burned B. 4 hr running, 2 hr swimming, and 6 hr walking; 5184 calories burned C. 4 hr running, 6 hr swimming, and 2 hr walking; 5760 calories burned D. 3 hr running, 3 hr swimming, and 6 hr walking; 5148 calories burned
Convert the angle to DMS notation. Round your answer to the nearest second.56.97°
A. 56°58'0'' B. 56°58'12'' C. 56°58'18'' D. 56°58'97''
Simplify the expression. Assume all variables represent positive numbers.
- 
+ 
A. 
B. 
C. 
D. - 
State the name of the property illustrated.(9 + 6) + (7 + 19) = (7 + 19) + (9 + 6)
A. Associative property of addition B. Inverse property of addition C. Commutative property of addition D. Distributive property of multiplication over addition