In ΔABC, a = 2.2 cm, b = 8.2 cm and ∠C=136°. Find ∠A, to the nearest 10th of a degree.

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

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.

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.