Find the total surface area of the given space figure.
a = 7 ft
A. 168 ft2
B. 42 ft2
C. 147 ft2
D. 294 ft2
Answer: D
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Estimate the magnitude of the error involved in using the sum of the first four terms to approximate the sum of the entire series.
, -1 < t ? 1
A. 0.20
B. 
C. 
D. 
Solve the problem.The amount of water in a leaky bucket is given by the linear function 
, where y is in ounces and x is in minutes. Find and interpret the slope and y-intercept of the linear equation.
A. m = -7; The amount of water in the bucket decreases 7 ounces every minute. 
At x = 0, the amount of water in the bucket was 127 ounces.
B. m = 7; The amount of water in the bucket increases 7 ounces every minute. 
At x = 0 the amount of water in the bucket was 127 ounces.
C. m = 127; The amount of water in the bucket decreases 127 ounces every minute. 
At x = 0, the amount of water in the bucket was 7 ounces.
D. m = 127; The amount of water in the bucket increases 127 ounces every minute. 
At x = 0, the amount of water in the bucket was 7 ounces.
Estimate the difference by rounding each number to the nearest hundred.
A. 2500 B. 2528 C. 2600 D. 3000
Find the Social Security tax and Medicare tax on the annual gross income of a self-employed individual. For a self-employed person, the FICA rate is 12.4% and the Medicare rate is 2.9%. Round to the nearest cent if needed.Frank Weller, surveyor, earned $29,406.82
A. $3546.45, $752.80 B. $1823.22, $852.80 C. $3646.45, $852.80 D. $1823.22, $426.40