Identify the percent of change as an increase or a decrease. then find the percent of change. (1) original: 60 new: 45 (2) original: 75 new: 90

On a piece of paper graph f(x)=5•(0.4)^x

Nicole is making carrot bread she needs 5 cups of carrots for 2 cups of sugar.what is the ratio of cups of sugar to cups of carrots that nicole will need? write the ration in three different ways

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?