Write in exponential notation.9 ? 9 ? 9
A. 3 ? 9
B. 91
C. 93
D. 39
Answer: C
Mathematics
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Find the indicated measure of central tendency.A class of 44 students took a 10-point quiz. The frequency of scores is given in the table. Find the mean score.
A. 7.5 B. 7.3 C. 7.6 D. 7.8
Mathematics
Solve the equation.7 = 
- 5
A. 27 B. 24 C. 9 D. 10
Mathematics
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.x2 - 10xy + 21y2
A. (x - 7y)(x + 3y) B. (x + 7y)(x + 3y) C. (x + 7y)(x - 3y) D. (x - 7y)(x - 3y)
Mathematics
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. No x-intercepts, y-intercept: 
;
B. No x-intercepts, y-intercept: 
;
C. x-intercept: 
, no y-intercepts ;
D. x-intercept: 
, no y-intercepts ;
Mathematics