Solve the system of linear equations.x + y = 6x - y = 8
A. No solution
B. (7, -1)
C. (-7, 0)
D. (6, 0)
Answer: B
Mathematics
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Express in terms of sums and differences of logarithms.logb
A. 
logbx4 - logby5 - logbz2
B. 
logbx - 
logby + 
logbz
C. 4logbx - 5logby - 2logbz
D. 
logbx - 
logby - 
logbz
Mathematics
Perform the operations indicated. Write your answer in simplest form.0.09 - (-0.06)
A. 0.0054 B. 0.25 C. 0.15 D. 0.03
Mathematics
Find the function value, provided it exists.f(x) = 
; find f(-3)
A. 2
B. - 2
C. 
D. - 
Mathematics
At one high school, students can run the 100-yard dash in an average of 15.2 seconds with a standard deviation of .9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are indicated. Round to the nearest whole percent.Between 14.3 and 16.1 seconds
A. 34% B. 50% C. 48% D. 68%
Mathematics