Use the given values of the variables to find the value of the expression.5x + 7y for x = 5, y = 7
A. 70
B. 60
C. 74
D. 84
Answer: C
Mathematics
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Write as a radical expression. Simplify if possible.
2/3
A. 
2= 
B. 
2 = 
C. 
2 = 
D. 
2 = - 
Mathematics
Find the logarithm. Give an approximation to four decimal places.log(2.21 × 105)
A. 0.3444 B. 5.0000 C. 5.3444 D. -4.6556
Mathematics
Find the missing side lengths in the triangle. Give the exact answer and then an approximation to two decimal places, when appropriate.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Graph the ellipse.
+ 
= 1
A. 
B. 
C. 
D. 
Mathematics