A4-digit password is a number that begins with a 3. if digits can be repeated, how many possible passwords are there?

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

Yoku is putting on sunscreen. he uses 2\text{ ml}2 ml to cover 50\text{ cm}^250 cm 2 of his skin. he wants to know how many milliliters of sunscreen (c)(c) he needs to cover 325\text{ cm}^2325 cm 2 of his skin. how many milliliters of sunscreen does yoku need to cover 325 \text{ cm}^2325 cm 2 of his skin?

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length