What is the y-intercept of a line that has a slope of 1/4 and passes through point (8, 3)?

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20

Atotal of 505 tickets were sold for a school play they were either adult tickets or student tickets they were 55 more student tickets so than adult tickets how many adult tickets were sold ?