Some of the steps in Liam's solution to 3.5(1.25x+0.5)=10.5 are shown. Complete the boxes with reasons for lines 2 and 4 of Liams solution. (The options in the drop down boxes for 2 and 4 are the same)

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 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

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.