Multiply and then, if possible, simplify by factoring.
A. 
B. 25x
C. 5
D. 5x
Answer: D
Mathematics
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Solve.Find the hydrogen ion concentration of a solution whose pH is 5.5. Use the formula 
A. 3.16 × 105 B. 3.16 × 10-6 C. 0.74036269 D. -0.7403627
Mathematics
List the x- and y-intercepts, and graph the function.f(x) = 
A. x-intercept: 
; y-intercept: 
;
B. x-intercept: 
; y-intercept: 
;
C. x-intercept: 
; y-intercept: 
;
D. x-intercept: 
; y-intercept: 
;
Mathematics
Find the average of the numbers.11, 6, 1, 8, 9
A. 7 B. 6 C. 36 D. 8.75
Mathematics
A test for a certain drug produces a false negative 5% of the time and a false positive 8% of the time. Suppose 12% of the employees at a certain company use the drug.What is the probability that a nondrug user at the company tests positive twice in a row?
Fill in the blank(s) with the appropriate word(s).
Mathematics