When the temperature is 68°f, the speed of sound in air is approximately 343 meters per second. approximately how many kilometers does sound travel in one second?

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

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?