What is the missing length. 10 m and p. Area = 90 m^2. p = ___ meters.

Yvaries inversely as x. y =12 when x=5. find y when x=4

Urgent? will give brainliest given that the blue triangle is a right triangle, which expression correctly gives the area of the red square? a) a2 + b2 b) a2 - b2 c) a2 - c2 d) c2 - a2

Ineed the answers for this one as well!