A plant has an initial height of 7 inches and grows at a constant rate of 3 inches each year. A second plant that also grows at a constant rate has an initial height of 2 inches and is 14 inches tall after 3 years. After how many years are the plants the same height?

3× __ -2=15 7 2× __+1=7 5 7× =22 15 5× __+10=2 8 × __+4=20 6 × =10 3 × __+2=8 6 × __+8=8 9 × __+7=20 6

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

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?