Write a mathematical equation using a variable that says four less than a number
equals 11

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5

Can someone tell me if these are correct?