Student travels 1087 feet per second how many seconds ,x, does it take the sound of an airplane to reach you when it is 10,000 feet overhead write and equation and then solve

What are the domain and range of the function f(x)=2^x+1

What is the mean of the data set 125, 141, 213, 155, 281

Which polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 – 2m6 + 5m2n4 – m3n3 + n6 – 4m6 + 9m2n4 – mn5 – 4m3n3 n6 + 7mn5 + 14m2n4 – 5m3n3 – 6m6 –2m6 – 5m3n3 + 14m2n4 + 7mn5 + n6 14m2n4 + 7mn5 – 6m6 – 5m3n3 + n6 n6 – 6m6 + 7mn5 + 14m2n4 – 5m3n3 show work