Amailbox casts a 4 foot shadow. a nearby tree that measures 12 feet casts a 18 foot shadow. write a proportion that can be used to determine the height of the mailbox

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

Pleasseee important quick note: enter your answer and show all the steps that you use to solve this problem in the space provided. use the circle graph shown below to answer the question. a pie chart labeled favorite sports to watch is divided into three portions. football represents 42 percent, baseball represents 33 percent, and soccer represents 25 percent. if 210 people said football was their favorite sport to watch, how many people were surveyed?