Which of the following are the solutions for −x2+4x=13? x=2+3i and x=2−3ix=2+3i and x=2−3i

x=2−3i and −2−3ix=2−3i and −2−3i

x=3+2i and x=−3−2ix=3+2i and x=−3−2i

x=2 and x=−3

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

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?

How do your peer relationships affect your overall health status? what can you do to improve your peer relationships?