John earns $13.35 each hour. he worked for 25.81 hours. about how much did john earn

Three times the difference of federico’s age, and 4, increased by 7, is greater than 37. what are possible values of federico’s age?

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

X+ y = 5 ; x - y =3 solve using linear combination