I need help on these I will brainliest to people who answer all of the questions <3

Me! #1 write an equation for the interior angles of this triangle that uses the triangle sum theorem. #2 what is the value of x? #3 what is the measure of #4 classify the triangle above as acute, obtuse, or right. state your reason in a complete sentence.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.