Daniel sees a lighthouse in the harbor. He estimates the angle of elevation is 50°. If the lighthouse is 80 feet tall, what is the approximate distance between Daniel and the top of the lighthouse? (Assume the lighthouse meets the ground at a night angle) A foot

What properties allow transformation to be used as a problem solving tool

It says factor each expression completely 8y+48

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?