Simplify the sum.(-x + 7) + (3x - 4)
A. 2x2 + 3
B. 2x + 3
C. 4x + 3
D. 2x +11
Answer: B
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Add or subtract. Express the answer as a mixed number.5
+ 5
A. 11
B. 11
C. 5
D. 10
The width of a rectangle is 18 ft, If the area is 90 ft², what is the length of the rectangle?
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A rectangle is as long as it is wide. Its perimeter (the sum of the lengths of its sides) is 88 cm. Find its length and width.
A. The length is 25 cm and the width is 25 cm. B. The length is 24 cm and the width is 24 cm. C. The length is 22 cm and the width is 22 cm. D. The length is 19 cm and the width is 19 cm. E. The length is 21 cm and the width is 21 cm.
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