Which relation is a function? look at both photos

What is the value of the digit 1 in the number 13?

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.

When a rectangle is dilated, how do the perimeter and area of the rectangle change?