There are 78 students in 4th grade and there are 39 girls. Using the later b to represent the boys

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Just tell me how to set up the equation.

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12