Select the equation that represents the question. 20% of 150 is what number?
O a = 0.2 x 150
O 0.2 = 150 x a
O 0.2 = a × 150
O 150 = ax 0.2
Solve the equation.

For the equations below which statement is true ? -2x=14 6x=-42

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

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