Which of the following graphs is the solution set of -10 < 3x - 4 < 8?

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1