Find the slope and write the equation along with the y intercept. (Please please I’m late)

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

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