Hwee Bin is a sales executive for a software
company. One-tenth of the cold-calls he makes
can result in a sale. If Hwee Bin makes 3 cold-
calls, find the probability that
(a) the first two cold-calls will result in sales,
(b) there will be no sales,
(c) there will be at least one sale.

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

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.)