Solve the problem.One number is 4 less than a second number. Twice the second number is 17 more than 3 times the first. Find the two numbers.
A. -10 and -6
B. -8 and -4
C. -9 and -5
D. 5 and 9
Answer: C
Mathematics
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Assuming that the equations define x and y implicitly as differentiable functions 
find the slope of the curve 
at the given value of t.2x - t2 - t = 0, 2ty + 6t2 = 6, t = 1
A. - 6 B. 9 C. - 9 D. - 4
Mathematics
Find the mode(s) for the given sample data. 94, 76, 32, 76, 29, 94
A. 94 B. 66.8 C. 94, 76 D. 76
Mathematics
Solve. Give exact solutions.(x + 4)2 - 5 = 0
A. -2 ± 
B. -4 ± 
C. 4 ± 
D. 1, 9
Mathematics
Solve.A circular firepit has a diameter of 27 inches. Approximate the circumference of this firepit and of a firepit whose diameter is doubled. (Use 3.14 for ?.)
A. 169.56 in. and 339.12 in. B. 84.78 in. and 339.12 in. C. 84.78 in. and 169.56 in D. 21.33 in. and 84.78 in.
Mathematics