Estimate the value of the quantity.The graph below shows the rate of natural gas usage (in therms per day) in one household for a 30-day period. Estimate the total number of therms used during this period. Use left endpoints and rectangles with widths of 3 days.
A. 147 therms
B. 159 therms
C. 165 therms
D. 136 therms
Answer: B
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Find the present value for the given future amount. Round to the nearest cent.A = $38,000, 12 yearsr = 5% compounded semiannually
A. $21,159.82 B. $21,009.26 C. $16,990.74 D. $68,731.59
Determine whether the relation represents a function. If it is a function, state the domain and range.
A. function domain: {carrots, peas, squash} range: {Bob, Ann, Dave} B. function domain: {Bob, Ann, Dave} range: {carrots, peas, squash} C. not a function
Write the ratio as a fraction in lowest terms. Be sure to make all necessary conversions.20 cents to $9
A. 
B. 
C. 
D. 
Find the area of the circle. Use 3.14 or 
for ? as indicated.Use 3.14 for ?.
A. 615.44 mi2 B. 87.92 mi2 C. 43.96 mi2 D. 153.86 mi2