IM 7.5.3 Practice: Changing Elevation
What is the final elevation if
A bird starts at 20 m and changes 16 m?
A butterfly starts at 20 m and changes -16 m?
A diver starts at 5 m and changes -16 m?
A whale starts at -9 m and changes 11 m?
A fish starts at -9 meters and changes -11 meters?
One of the particles in an atom is called an electron. It has a charge of -1. Moreover, there is a proton with a charge of +1. The charge of an atom is the sum of the charges of the electrons and the protons. Complete the table.
Add.
Last week, the price, in dollars, of a gallon of gasoline was . This week, the price of gasoline per gallon increased by 5%. Which expressions represent this week's price, in dollars, of a gallon of gasoline? Select all that apply.
Decide whether the table could represent a proportional relationship. If the relationship could be proportional, what would be the constant of proportionality?
Annie’s Attic is giving away $5 off coupons.
Bettie's Boutique is having a 20% off sale.