What is the vertex of the parabola given by y= -(x - 2)^2 - 1 OA (2, 1) O B. (2.-1) OC (-2, 1) OD. (-1,2)​

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice