If 2x 2 - 4x + 6 = 1 then a = 2, b = -4, and c = 6 in general form. true or false?

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?

Hi my sisters and brothers can tell me the answer because i don’t understand the question