Pilar wanted to use estimation to solve a decimal addition problem. she correctly used estimation to rewrite the problem as 12 + 3 + 5 + 6. what could her original problem have been?

Asystem of equation is shown below 6x - 2y equals 3 . and 5x + 3y equals 4. would you solve by substitution or elimination? and why

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

Me. i can't figure out this question. give an explanation too. .