Connor bought 40 pencils for 0.35 each. mara bought 70 pencils at the same price. how much more money did mara spend?

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

For the functions f(x) = -922 – 2x and g(x) = -32? + 6x – 9, find (f - g)(x) and (f - ).

What is the value of x in the equation 3x4y65, when y=4?