Find the missing length.
10
4
с
C=
✓ [?]
Pythagorean Theorem: a2 + b2 = c2

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?

Yo need asap pls ! markin da brainiest too !