? is a central angle that cuts off an arc of length s. Find the radius of the circle if ?= 9°, 
m .
?
A. 9 m
B. 10 m
C. 11.92 m
D. 12 m
E. 10.26 m
Answer: B
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Match the vector equation with the correct graph.
r(t) = (1 - t2)j + 3tk; -1 ? t ? 1
A. Figure 7 B. Figure 8 C. Figure 2 D. Figure 4
Simplify the expression. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Solve.The monthly payment p on a mortgage varies directly with the amount borrowed b. Suppose that you decide to borrow $120,000 using a 30-year mortgage. You are told that your monthly payment is $674.44. Write a linear function that relates the monthly payment p to the amount borrowed b for a mortgage with the same terms.
A. p(b) = 0.0061313b B. p(b) = 119,325.56b C. p(b) = 177.93b D. p(b) = 0.0056203b
Write a slope-intercept equation for a line with the given characteristics.m = 7, passes through (6, -9)
A. y = 8x + 52 B. y = 7x + 50 C. y = 7x - 49 D. y = 7x - 51