How much cakes can you bake if 1,12 of teaspoon of vanilla and she has 9/12 of teaspoon?

If i have one apple and give you the apple, how many apples do i have?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3