10 POINTS The table shows the research activities of two students at an observatory. How much does a student pay to use the telescope for one hour​

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

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