What number on the number line represents 5 inches below ground

Which graph shows a function with a range of all real numbers greater than or equal to -1

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?

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)