Find the solution to the system of equations by the substitution method. x + 7y = 2-7x + 6y = 41
A. (-6, 1)
B. (-5, 1)
C. (-6, 2)
D. (5, 2)
Answer: B
Mathematics
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The double bar graph shows the mean tuitions (in dollars) charged by public and private institutions of higher education in the United States from 1999 to 2004. The public graphs are on the left. The private graphs are on the right.
Approximate the difference in tuition charges for public and private schools for 2002.
A. $13,000 B. $6,500 C. $15,900 D. $2900 E. $9,100
Mathematics
Add.
A. 842 B. 942 C. 932 D. 9420
Mathematics
Find the measure of an angle that has the specified description.The complement of an angle with measure 48°
A. 312° B. 222° C. 42° D. 132°
Mathematics
Provide an appropriate response.Use the product properties of summations to rewrite 
.
A. -5i2
B. -5 
i2
C. -5 
i
D. -5i
Mathematics