Saima is organising a conference she’s wants to give each person a pen and a notebook. Pens are sold in packs of 15.Notebooks are sold in packs of 18. Siamabought exactly the same amount of pens and notebooks. What are the smallest number of packs she could have bought?

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