Translate to a proportion and solve. 665 is what percentage of 95?
A. %
B. 70%
C. 700%
D. 7%
Answer: C
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Solve the equation.(x - 7)2 = -144
A. {-7 - 12i, -7 + 12i}
B.
C. {7i - 12, 7i + 12}
D. {7 - 12i, 7 + 12i}
Solve the problem.A boat travels d miles against the current whose rate is 7 mph. On the return trip, the boat travels with the same current. The expression +
, where r is the speed of the boat in calm water, represents the total amount of time in hours it takes for the entire trip. Represent this amount of time as a single rational expression.
A.
B.
C.
D.
Factor completely.7x2 - 21xy - 28y2
A. 7(x + y)(x - 4y) B. prime C. (7x - 7y)(x + 4y) D. 7(x - y)(x + 4y)
Find an equation of the line having the specified slope and containing the indicated point. Write your final answer as a linear function in slope-intercept form.m = ; (-2, 3)
A. f(x) = x +
B. f(x) = - x + 4
C. f(x) - 3 = (x + 2)
D. f(x) = x + 4