The price of peanut butter increases from $3.00 to $3.50 per jar, and the quantity of jelly demanded falls from 30 jars to 24 jars. Using the midpoint formula, calculate the cross-price elasticity of demand. Report your answer to two decimal places.

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?

Through non-collinear points there is exactly one plane.

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?