30 POINTS!! Please help! Kim drew a map of the Mississippi river. The scale was 5 centimeters represents 120 miles. The actual length of the Mississippi river is 2,320 miles. Approx. what is the length in centimeters of the Mississippi River on the map?

A.19 cm
B. 11,600 cm
C. 97 cm
D. 600 cm

You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?

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?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?