Trey graphs the equations y = –x^2 + 2x + 3 and y = x^2 – 2x + 3 to solve the equation –x^2 + 2x + 3 = x^2 – 2x + 3. his graph is shown below.

what are the solution(s) of –x^2 + 2x + 3 = x^2 – 2x + 3?

a. –1 and 3
b. 0 and 2
c. 0
d. 3

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

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?