What is the value of x if
4x - 9 = 11?
A. 1/2
B.2
C.5
D.20

Sara needs to take a taxi to get to the movies the taxi charges $4.00 for the first mile and then $2.75 for each mile after that if the total charge is $20.50 then how far was sara’s taxi ride to the movie

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply