Simplify the expression. Use the order of operations.-13[7 + (-9)]
A. 54
B. 26
C. -29
D. 180
Answer: B
Mathematics
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Reduce the index of radical.
?
?
A. 
?
B.
?
C.
?
D. (x + 1)
?
E.
Mathematics
Use the change-of-base rule to express the given logarithm in terms of common logarithms, in terms of natural logarithms, and correct to four decimal places.log26 46.66log 26
A. 
; 
; 1.6689
B. 
; 
; 0.8478
C. 
; 1.7946
D. 
; 
; 1.1795
Mathematics
Express the repeating decimal as a fraction in lowest terms.0.
= 
+ 
+ 
+ 
+ . . .
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A rock falls from a tower that is 368 ft high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground (h=0)?
A. 4.8 s B. 18.8 s C. 8464 s D. 19.2 s
Mathematics