are terms that contain the same variables, with these variables having the same exponents. Someone help me fill in blank

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?

Write as a product: ac^2–ad+c^3–cd–bc^2+bd