Assign the relations ri, r2, rs from above, and give a counterexample, as- suming that a-z (e. g., the relation r-{(a, x a2) є p(z) × p(z) | ai u a2 is infinite} is not reflexive. counterexample:

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.

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.