Asap

amy and stephanie were playing a number game. amy picked a number and told stephanie that if she added 7 to the number and multiplied the sum by 2, it would equal 4. which equation could stephanie use to find the number, x?
a. 2(x + 7) = 4

b. 2 + (x + 7) = 4

c. 2(x) + 7 = 4

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days