A gumball machine has 390 red gumballs. If the red gumballs are 75% of the total number of gumballs, how many gumballs are in the gumball machine?

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?