If 9 oz make 10 servings how many oz do i need to make 13 servings

An animal shelter has 21 puppies. if the puppies are 28% of the total dog and cat population , how many dogs and cats are in the animal shelter

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

These box plots show the number of electoral votes one by democratic and republican presidential candidates for the elections from 1984 through 2012. which statement best compares the spread of the data sets