Processes 3 5. &Practices Justify Conclusions Can a triangle have two 30° angles? two 60° angles? two 90° angles? Explain. can a triangle have two 30° angles ​

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

Having a hard time understanding this question (see attachment).