How many solutions does this system have?

y=5x-7
y=-3x+7

Find the vertex of the function given below y=x^2-6x+1

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

Describe the domain and range of y=2(3)^x-2+5