Solve the system by substitution. -4x + 8y = 56 x + 7y = 49
A. No solution
B. (0, 7)
C. (1, 6)
D. (-7, 0)
Answer: B
Mathematics
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Set up an integral for the length of the curve.x = y1/5, 0 ? y ? 2
A. 
B. 
C. 
D. 
Mathematics
Add or subtract as indicated. Make sure that your answer is reasonable by estimating first.2.38 + 6.097
A. 8.477 B. -3.717 C. 8.577 D. 3.717
Mathematics
If the number is written in scientific notation, write it in standard form. If it is written in standard form, write it in scientific notation.It has been estimated that the average American watches 58,240 hours of television in a lifetime.
A. 5.824 × 103 hours B. 5.824 × 104 hours C. 58.24 × 103 hours D. 5.824 × 105 hours
Mathematics
Find the length of the vector given the initial and terminal points.
; K(-2, 3), L(10, -7)
A. 244
B. 2
C. -2
D. 2
Mathematics