Find the sides and angles please help me

if this uses the Pythagorean theorem then it’s the square root of 83.24

Step-by-step explanation: the formula is a^2+b^2=c^2 the hypotenuse is c^2

y < -3

step-by-step explanation:

-3y - 2 > 7

-3y -2 + 2 > 7+2

-3y > 9

-3y/-3 < 9/-3   (change the inequality sign when multiplying or dividing by a negative number)

y < -3

the answer is 62.8 cubic units