Solve the given equation for the indicated variable. (Leave ± in the answer, if appropriate)M = ?r2hd for r
A. r = ± 
B. r = 
C. r = 
D. r = 
Answer: D
Mathematics
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Calculate the slope of the line passing through the given points. If the slope is undefined, so state. Then indicate whether the line rises, falls, is horizontal, or is vertical.(3, 4), (-17, -7)
A. 
, rises
B. - 
, falls
C. 
, rises
D. 
, rises
Mathematics
Solve the problem.7 + 10 + 13 + . . . + 172 =
A. 
B. 
C. 
D. 
E. none of these
Mathematics
Solve the following graphically. If necessary, round answers to the nearest thousandth.ex + ln 8 = 6ex
A. 3.921 B. No solution C. 2.079 D. 0.347
Mathematics
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = -6.8x + 150.7 B. y = -6.2x + 140.4 C. y = 6.2x - 140.4 D. y = 6.8x - 150.7
Mathematics