Simplify by combining like terms.7ab + 4 + 3ab - 2

A. 12ab
B. 10a + 10b + 2
C. 10ab - 2
D. 10ab + 2


Answer: D

Mathematics

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Solve the problem using the Egyptian algorithm for multiplication. Give final answer in Hindu-Arabic form.3 × 46

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Mathematics

Determine whether the algebraic expression is a polynomial (Yes or No). If it is a polynomial, write the polynomial in standard form, determine the degree and state if it is a monomial, binomial, or trinomial. If it is a polynomial with more than 3 terms, identify the expression as a polynomial.7y4 + 7x5

A. no B. yes; 7y4 + 7x5; degree 4; binomial C. yes; 7x5 + 7y4; degree 5; binomial D. yes; 7x5 + 7y4; degree 4; trinomial

Mathematics

Solve the problem.The perimeter of a rectangle is 22 cm. One side is 5 cm longer than the other side. Find the lengths of the sides.

A. 3 cm, 8 cm B. 6 cm, 11 cm C. 3 cm, 5 cm D. 4 cm, 9 cm

Mathematics

Solve.A meter is a unit of measure in the metric system that is approximately equal to 39.37 inches. Louis is 2.05 meters tall. What is his approximate height in inches? (Round to the nearest hundredth.)

A. 80.71 in. B. 807.09 in. C. 8.05 in. D. 80.50 in.

Mathematics