True or false? the line with the equation y= -7/5x - 5 pass through the point (-5,2)

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a