At the beginning of the week, the ratio of Katie's money to Sasha's money was 4:7. Then Katie spent half of her money, and Sasha spent $60, so that at the end of the week, Sasha had twice as much money as Katie. How much money did Katie start with?

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

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

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides.should be his answer