Which of the following equation have only one solutions? select all correct answers.

4x^2+4x=0
x^2+6x+9=0
9x^2-25=0
5x^2+20x+20=0
x^2-x-6=0

Revirite the formula to determine the area covered by one can of paint. alyssa and her father are going to paint the house this summer. they know they'll need 6 cans of paint. enter the correct answer. 000 done a formula that describes this scenario is (licierali 000 oo 6 w w = the total area of the walls p = area covered by a can of paint

Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x,and the distance in miles, y, that he travels.

Triangles abd and ace are similar right triangles. witch ratio best explains why the slope of ab is the same as the slope of ac?