SOMEONE HEP ME WITH THIS EASY QUESTION ITS LITERALY SO EASY

The formula for the lateral area of a right cone is la = rs, where r is the radius of the base and s is the slant height of the cone.which are equivalent equations?

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

At 6 1/2 cents per pound of string beans how much does 7 pounds cost