Solve the problem.The perimeter of a rectangle is 40 cm. The length is 8 cm longer than the width. Find the dimensions.
A. Width: 12 cm; length: 20 cm
B. Width: 7 cm; length: 15 cm
C. Width: 6 cm; length: 8 cm
D. Width: 6 cm; length: 14 cm
Answer: D
Mathematics
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Write the number in scientific notation.0.000000465013
A. 4.65013 × 107 B. 4.65013 × 106 C. 4.65013 × 10-7 D. 4.65013 × 10-6
Mathematics
Solve the problem.Joshua David strings tennis racquets. He is paid $1.50 for each racquet and he is charged $0.75 per rejection. Find his gross earnings for the following work days.
?
A. $1716.00 B. $1675.50 C. $1659.75 D. $1677.75
Mathematics
Evaluate the expression.
A. 1
B. 6
C. 0
D. 
Mathematics
Solve the problem.4 - i is a solution of a quadratic equation with real coefficients. Find the other solution.
A. -4 - i B. 4 + i C. 4 - i D. -4 + i
Mathematics