If there are 16 ounces in a pound. How many pounds are in 24 ounces?

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11