Write the expression in standard form. 4(2a)+7(-4b)+(3*c*5)

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

Can anyone explain to me how to do this? anything will .

Scarlett stopped at a campground along the appalachian trail. the campground had a 12 acre area for tents, divided into 6 equal campsites. scarlett picked one of the sections to pitch her tent. which expression would give you the size of scarlett’s campsite? (more than one answer