Solve using a proportion. Round your answer to the nearest hundredth when necessary.It takes Sarah 26 minutes to type and spell check 6 pages of a manuscript. Find how long it takes her to type and spell check 45 pages. Round answer to the nearest whole number if necessary.
A. 195 minutes
B. 1170 minutes
C. 10 minutes
D. 26 minutes
Answer: A
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Simplify.
A. 
B. 
C. 
D. 
Solve the problem.For what numbers ? is f(?) = cot ? not defined?
A. odd multiples of ? (180°)
B. odd multiples of 
(90°)
C. integral multiples of ? (180°)
D. all real numbers
Find an equation for the parabola described.Vertex at (3, -4); focus at (3, -6)
A. (x - 3)2 = -8(y + 4) B. (y - 4)2 = 12(x + 3) C. (x - 3)2 = 8(y + 4) D. (y - 4)2 = -12(x + 3)
Translate the sentence into a mathematical equation. Be sure to identify the meaning of all symbols.Speed is measured by distance divided by time.
A. If S represents speed, d distance, and t time, then S = 
.
B. If S represents speed, d distance, and t time, then t = 
.
C. If S represents speed, d distance, and t time, then S = 
.
D. If S represents speed, d distance, and t time, then d = 
.