Solve the system of equations by the substitution method.

A. (-4, -3)
B. (1, 4)
C. (0, 5)
D. (-4, 1)


Answer: D

Mathematics

You might also like to view...

Simplify. Assume that all variables are nonnegative.

A. 3xy
B. 6xy
C. 6xy
D. 6xy

Mathematics

Simplify.-(-2)

A. 0 B. -3 C. 2 D. -2

Mathematics

For the measured quantity, state the set of numbers that is most appropriate to describe it. Choose from the natural numbers, integers, and rational numbers.The lengths of randomly cut pieces of string (measured to the nearest inch)

A. Rational numbers B. Integers C. Natural numbers

Mathematics

Solve the problem.The total sales in dollars of some small businesses fluctuates according to the equation  where x is the time in months, with  corresponding to January, , and  Determine the month with the least sales and give the sales in that month.

A. September; $3900 B. June; $3300 C. March; $10,500 D. December; $7200

Mathematics