The side of a barn needs to be painted. Everything including the barn doors, will be painted. How many gallons of paint are needed to complete the job, if a gallon covers 250 square feet

Asap 25 pts + brainlest to right/best answer

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?