A total of 30 mothers baked cakes for a bake sale. Each mother baked 2 cakes. The bake sale director found 35% of the cakes were chocolate. How many chocolate cakes were made for the bake sale?

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class