A20% acid solution is mixed with a 70% acid solution to get 50 liters of a 40% solution. how much of the 70% solution is used?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?

Drag each number to the correct location on the statements. not all numbers will be used. consider the sequence below. -34, -21, -8, 5, complete the recursively defined function to describe this sequence