Solve the problem.The spring of a spring balance is 7.0 in. long when there is no weight on the balance, and it is 7.6 in. long with 8.0 lb hung from the balance. How much work is done in stretching it from 7.0 in. to a length of 13.3 in.?
A. 42 in. ? lb
B. 850 in. ? lb
C. 260 in. ? lb
D. 1.5 in. ? lb
Answer: C
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Find the slope of the line that passes through the given two points. If the slope is undefined, state this.(-8, 2) and (-4, 2)
A. 1 B. 2 C. 10 D. 0
Provide an appropriate response.What question led Greek scholars to formulating the golden ratio?
A. What is the square root of 2? B. What is the best way to divide a line? C. How are pitch and vibration related? D. How to find ??
Provide an appropriate response.(56 + 89) + 103 = 24856 + (89 + 103) = 248This is an example of the 
.
A. associative property of addition B. commutative property of multiplication C. commutative property of addition D. associative property of multiplication
Find the future value of the annuity due. Round to the nearest cent.$800 deposited at the beginning of each year for 16 years at 3% compounded annually
A. $16,609.27 B. $41,992.17 C. $15,325.51 D. $14,079.13