Use scientific notation to solve the problem.A light-year is the distance that light travels in one year. Find the number of miles in a light-year if light travels 1.86 x 105 miles per second.
A. 6.0 x 107 miles
B. 6.0 x 105 miles
C. 6.0 x 1012 miles
D. 6.0 x 1014 miles
Answer: C
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Solve the problem.The sum of the squares of the digits of a positive two-digit number is 85, and the tens digit is 1 less than the units digit. Find the number.
A. 76 B. 65 C. 56 D. 67
Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, 
), on the circle 
, also lies on the terminal side of an angle ? in quadrant II. The point 
, on the circle 
, also lies on the terminal side of an angle ? in quadrant III.f(2?)
A. 
B. - 
C. 
D. - 
Solve.A redwood tree is 100.8 meters tall. Convert this to feet. Round to the nearest hundredth of a foot.
A. 30.73 ft B. 109.87 ft C. 256.03 ft D. 330.62 ft
Solve the problem.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 6 ft. Find the length of the ladder if the length is 2 ft more than its distance from the wall.
A. 10 ft B. 6 ft C. 8 ft D. 12 ft