Solve the equation.
x - 
x = 5
A. -150
B. 75
C. -75
D. 150
Answer: B
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 
Mathematics
Solve the problem.Paul has grades of 100 and 67 on his first two tests. What must he score on his third test in order to have an average of at least 80?
A. at most 82 B. at least 73 C. at least 84 D. at most 80
Mathematics
Write the equation in its equivalent logarithmic form.
= 7
A. log7343 = 3
B. log7343 = 
C. log3433 = 
D. log3437 = 
Mathematics
Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Mathematics