Find the value of a+b+c if a²+b²+c² = 35, ab+bc+ca=23

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.

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

What properties allow transformation to be used as a problem solving tool