Solve the equation by the method of your choice.5x2 = 65
A. {14}
B. {-13, 13}
C. {-
, 
}
D. {32.5}
Answer: C
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Solve the problem.Under certain conditions the wind speed S, in miles per hour, of a tornado at a distance d from its center can be approximated by the function 
where a is an atmospheric constant, and V is the approximate volume of the tornado, in cubic feet. Assume that a is 0.78. Find 
.
A. 
B. - 
C. 
D. 
Evaluate the expression.
+ 120.8 ÷ 8(2.6 - 6.5)
Round to the nearest hundredth if necessary.
A. -57.32 B. -60.34 C. -58.83 D. -53.83
For the compound inequality, decide whether intersection or union should be used. Then give the solution set in both interval and graph forms.x ? -5 and x < 10
A. Intersection; ?
B. Union; (-?, ?)
C. Intersection; (-5, ?)
D. Intersection; [-5, 10)
Evaluate f(x) at the given value of x.f(x) = 14x - 11
x = -19
A. -255 B. -267.1 C. 255 D. -277