What is the result of substituting for y in the bottom equation? y = x – 7 y = x^2 + 2x – 4 a. x – 7 = x^2 + 2x – 4 b. y = (x – 7)^2 + 2(x – 7) – 4 c. x – 7 = x^2 d. y = x^2 + 2x – 4 – (x – 7)

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.