True or false? : when the length of the hypotenuse of a triangle is equal to the length of one of the legs times 2, it is a 30, 60, 80 triangle.

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

2. using calculations based on a perpetual inventory system, determine the inventory balance altira would report in its august 31, 2021, balance sheet and the cost of goods sold it would report in its august 2021 income statement using the average cost method. (round "average cost per unit" to 2 decimal places.)

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1