Solve the problem.A flat rectangular piece of aluminum has a perimeter of 68 inches. The length is 14 inches longer than the width. Find the width.
A. 8 inches
B. 26 inches
C. 18 inches
D. 28 inches
Answer: A
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Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.-8.131 + (-14.69)
round each to the nearest one
A. Estimate: -23; Actual: -22.2 B. Estimate: -22; Actual: -22.821 C. Estimate: -22; Actual: -22.2 D. Estimate: -23; Actual: -22.821
Determine whether the matrix is in echelon form, reduced echelon form, or neither.
A. Echelon form B. Reduced echelon form C. Neither
Find the product and write the result in standard form.-2i(7i - 4)
A. 8i - 14i2 B. -14 + 8i C. 14 + 8i D. 8i + 14i2
Name the property illustrated.2 ? 9 = 9 ? 2
A. associative property of multiplication B. distributive property C. identity property of multiplication D. commutative property of multiplication