Explain why the following statement are equivalent 4(x+y)=4x+4y

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

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.

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