Write the vector in the form ai + bj. 
A. 9i + 7j
B. -7i + 9j
C. 9i - 7j
D. 7i + 9j
Answer: D
Mathematics
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Find the slope of the line through the given points.(12, 5) and (-4, -14)
A. m = - 
B. m = 
C. m = 
D. m = - 
Mathematics
Estimate the product by rounding to a single nonzero digit, then find the actual product.222 ? 985
A. Estimate: 1200; Actual: 218,680 B. Estimate: 218,700; Actual: 218,670 C. Estimate: 218,670; Actual: 49,284 D. Estimate: 200,000; Actual: 218,670
Mathematics
Change the fraction or mixed number into an equivalent decimal. Use bar notation to write repeating decimals. - 
A. -0.
B. -0.8
C. -0.
D. -0.8
Mathematics
Solve the system of equations corresponding to the given matrix equation.
= 
A. {(8, 4)} B. {(8, 16)} C. {(0, 0)} D. {(4, 8)}
Mathematics