Lashonda is mailing packages. Each small package costs her $2.30 to send. Each large package cots her $4.20. How much will it cost her to send 4 small packages and 6 large packages?

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?