HELP PLEASE! Which equation is equivalent to the formula m = ca?

1) a = cm
2) a equals m over c

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

The bake stars picked 907 apples last weekend at a local orchard they made caramel apples and sold them in the bakery in trays of 6

Acircle has a circumference of 28.36 units what is the diameter of the circle