Calculate rate of change for a speed of a car from 4 minutes to 8 minutes. At 4 minutes the car is 20 miles per hour. At 8 minutes it is 40 miles per hour

The rate of change is 5 miles, per minute

ok

explanation:

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !