At 3:00 P. M. a 12-foot flag pole casts a 20-foot shadow, and a an oak tree casts a 15-foot shadow. How tall is the oak tree?

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?

Is there an x intercept in the equation 60*1.15^x

Solve 13 + w/7= -18 (w/7 is a fraction)