Please help me:

Perform the indicated operation(s) on the given complex numbers. ( - 9 - 101) + (4 + i) = Preview ( - 9 - 101) - (4 + i) = Preview ( - 9 - 101) (4 + i) = PreviewEvaluate the expression 2 - 2i 7i and write the result in the form a + bi. The real number a equals Preview The real number b equals Preview\fFind all complex-number solutions. Write solutions in terms of i 9(t + 6)- - 20 = - 245 Preview Entry Tip: Do not use a decimal approximation for square roots. To enter a number like 52v/7, type 5 i sqrt(7). Preview your answer before submitting! Furthere Tip: Write your answers as a list, with your answers separated by (a) comma(s). For example, if you get 4 and 2 as your answers, then enter 4,-2/3 in the box.\fFor the parabola graphed below, identify its vertex, axis of symmetry, and state if it opens upwards or downwards. 6 -7 -6 -5 -4 -3 -2 -1 1 2 4 6 7 The vertex of the parabola is The axis of symmetry is Preview The parabola opens Select an answer v\fConsider the parabola given by the equation: x} = 2[m 4]\" 5 Find the following for this parabola: C} Find the coordinates of die two a: -intereepts of the parabola and write them as a list, separated by commas: S Preview Place the points in asseending order according to the lit-values. If none, then enter DN'E