4(0.5f−0.25)=6+f
what is f??

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.

The relative growth rate for a certain type of fungi is 60% per hour.a small culture has formed and in just 6 hours the count shows to be 20,273 fungi in the culture.what is the initial number of fungi in the culture?