How fo I substitute

-x+y=-13

3x-y=19

E media center at josh school has a computer area. the first four rows have have six computers. the fifth row has four computers. how many computers are there in all

Round to the nearest tenth 9 divide by 33.714

Is the function g (x) = - 6x - 5 6 linear or nonlinear?

Emily has 3 yellow, 8 green, 5 red, and 14 blue ankle bracelets in a bag. If Emily randomly selects an ankle bracelet out of the bag, what is the probability it will be green or blue? A.) 6/9 B.) 11/15 C.) 3/14 D.) 3/4

At camp in Green Bay, Wisconsin, 7/9 of the participants were from Wisconsin. Of that group 3/5 were 12 years old. What fraction of the group was from Wisconsin and 12 years old?

What is the length of the side opposite ZB? 3 units 4 units 5 units 6 units

Which expression is equivalent to 3m + 1 - m? 2 + m - 1 + - m 1 + m 3m - 1 3m

Factor x2 - 6x - 7.

What is 79,500 rounded to the nearest thousand?

The length of a rectangle is 6 inches and its area is 18 x + 24 square in write an expression for the width