Solve. Remember to insert units when writing your answer.A hiker started the day with 7.4 L of water. At the first break, she drank 130 ml. How many liters of water remained?
A. 7.27 L
B. 0.7270 L
C. 72.7 L
D. 6.1 L
Answer: A
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Solve the equation (x in radians and ? in degrees) for all exact solutions where appropriate. Round approximate answers in radians to four decimal places and approximate answers in degrees to the nearest tenth.tan x(tan x -5) = 6
A. {1.3923 + n?, 6 + n?} B. {1.4056 + n?, 2.3562 + n?} C. {1.3923 + n?, 2.6454 + n?} D. {1.4056 + n?, 5.4978 + n?}
Determine if A ? B or A ? B.A = {1, 33, 38}B = {5, 33, 38, 48}
A. A ? B B. A ? B
Solve the problem.To the nearest dollar, the average tuition at a public four-year college was 
the year Jane enrolled there and 
when her sister began college 2 years later. Find, to the nearest dollar per year, the rate at which tuition was increasing.
A. $118 per year B. $124 per year C. $107 per year D. $128 per year
Write the expression in the standard form a + bi.
3
A. 4
+ 4
i
B. -4
- 4
i
C. -4 - 4
i
D. 4
- 4
i