At his last game, Jackie spent $17 to bowl 4 games. Today, he spent $29.75 to bowl 7 games. Jackie owns his own bowling ball and shoes, so he only has to pay for each game that he plays. If each of these bowling games costs the same amount of money, what is the constant of proportionality between the money spent and the number of games played?

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor