If the temperature at the north pole is -12 degrees how many degrees would the temperature have to increase for it to be 0 degrees?

I'm marking the brainliest and it's 15 points

Given: m zade = 60° and m2cdf = (3x + 15) prove: x = 15

Determine the following data for the quadratic relation f(x) = -3(x+2)(x-3)? i. direction of opening: ii. x-intercepts: iii. y-intecept: iv. axis of symmetry: v. vertex: