Find the indicated quantity.a39, when a1 = 10 and d = -3
A. -104
B. 127
C. -107
D. 124
Answer: A
Mathematics
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Write the expression in standard form.
? 
A. 21 B. -21 C. 21i2 D. -21i
Mathematics
Solve the equation.
+ 1 = 8
A. ?
B. {164}
C. 
D. 
Mathematics
Write the system of equations associated with the augmented matrix. Do not solve.
A. 
B. 
C. 
D. 
Mathematics
Decide which variable has a coefficient of 1 or -1, and solve for that variable in terms of the other variable.
2y – x = 7 A. x = 2y + 7 B. x = 7y + 2 C. x = 7y – 2 D. x = 2y – 7 E. x = 7 – 2y
Mathematics