For every 30 letters that maria sent in a month, she received 40 letters. what is the ratio in simplest form of the number of letters sent to the number of letters received by maria that month?

The price for gasoline is represented by the equation y=3.69x, where y represents the total price for x gallons of gasoline. on a graph, the number of gallons is represented on the horizontal axis, and the total price is represented on the vertical axis. determine whether each statement describes the graph of the equation. select true or false for each statement

Ashley recently opened a store that sells only natural ingredients. she wants to advertise her products by distributing bags of samples in her neighborhood. it takes one person 22 minutes to prepare one bag. how many hours will it take to prepare 900900 bags of samples if ashley and 55 of her friends do the work?

An isosceles trapezoid was broken into a rectangle and two triangles. what are the base and height of one of the triangles?