Solve.
{2d−e=7d+e=5
use the linear combination method.
the solution is (3, −1) .
the solution is (4, 1).
there is no solution.
there are infinitely many solutions.

Afarmer sells 9.5 kilograms of apples and pears at the farmer's market. 4/5 of the weight is the apples and the rest is the pears. how many kilograms of pears did she sell at the farmers market

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re