Adrian works full time at the office supply store. He earns $525 each week. He wants to raise his income to at least $650 each week, so he takes on a part-time job which pays $12 per hour. How many hours would Adrian need to work each week at his part-time job in order to raise his total weekly income to at least $650?

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

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

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x