Solve the literal equation for yy. 2x−4y=20

Big boi and travis scott are performing at the super bowl. travis scott is 62 years younger than twice big boi’s age. the sum of their ages is 70 years old. use b to represent big boi’s age. write and solve an equation.

If f(x)=3 over x+2 - square root x-3 then f(7)=

Find an equation of the line that has intercepts (1,0) and (0,4).