Determine ? in decimal degrees. Round results to an appropriate number of significant digits.tan ? = 0.545
A. 8.0°
B. 8°
C. 29°
D. 29.0°
Answer: D
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Rewrite the given integral so that it fits the form 
, and identify u, du, and n.
A. -
; u = sin x, du = -cos x dx, n = -7
B. 
; u = sin x, du = cos x dx, n = -7
C. 
; u = sin x, du = cos x dx, n = 7
D. 
; u = cos x, du = sin x dx, n = -7
Solve.The population of a particular country was 23 million in 1981; in 1987, it was 32 million. The exponential growth function 
describes the population of this country t years after 1981. Use the fact that 6 years after 1981 the population increased by 9 million to find k to three decimal places.
A. 0.055 B. 1.100 C. 0.065 D. 0.366
Evaluate the expression using order of operations.8[-2 + 5(-7 + (-8))]
A. -360 B. -91 C. -364 D. -616
Solve the equation.
- 3 = 
A. x = 25 B. no solution C. x = -25 D. x = -5