Use the substitution method to solve the system of equations. choose the correct ordered pair. 2x + y= 8 and y= -x + 5

Acircle has the equation (x-2)^2 +y^2 =5. what are the coordinates of the circle's center?

Cass decided to sell game programs for the hockey game. the printing cost was over 20 cents per program with a selling price of 50 cents each. cass sold all but 50 of the programs, and made a profit of $65. how many programs were printed? letting p represent the number of programs printed, set up an equation that describes this situation. then solve your equation for p.

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.