Use substitution to solve

y=-2x+1

y=x-5

The autotorium has 250 seats. 215 seats were sold for the next showing. What percent of seats are empty?

How to I solve three times a number, increased by 2 in the algebraic expression

Is it possible to subtract something twice from a number and for the number not to become smaller?

Which equation represents y = - x^2 - 10x - 20 in vertex form?

19 men in a chorus sing baritone. they are 37% of the chorus. How many are in the chorus

In the figure below, AB is a diameter of circle P. What is the arc measure of ABC on circle P in degrees?

What is the total surface area of the cone with a height of 12 and radius of 5

Roberto has 42 seashells in his case. he put 7 shells in each row. how many rows of shells does he have?

56 equals - 10 + 2X what is 56 equals - 10 + 2X what is X

A water tank is in the shape of a cone. Its diameter is 50 meter and slantedge is also 50 meter. How much water it can store In it? it releases water to a gated apartment building at therate of 400 liters per second.