Find the indicated sum.6 + 12 + 18 + 24 + . . . + a50
A. 7660
B. 7800
C. 7650
D. 306
Answer: C
Mathematics
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Write the system of equations associated with the augmented matrix. Do not solve.
A. -5x - 6y = 6 -2x + 5y = 2 B. -6x - 5y = 6 -2x + 5y = 2 C. -6x - 5y = 6 5x - 2y = 2 D. -6x - 5y = 0 -2x + 5y = 0
Mathematics
Solve the following equation.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Write the decimal number in words.9.79
A. nine and seventy-nine hundredths B. nine and seventy-nine thousandths C. nine and seventy-nine tenths D. nine and seventy-nine millionths
Mathematics
Solve for x and graph the results.6x + 5 ? 29 or x + 5 < 0
A. 
B. 
C. 
no solution
D. 
Mathematics