7 because the way its set up
P(blue) is 23/82 the sum is 82 and there is 23 blue balls
Answer:
13058.83 cubic inches
Step-by-step explanation:
Given that a rectangular box is having dimensions as 41x81 inches.
Let x be the side of square cut from all the four corners.
The open box made would have height as x and length 41-2x with width 81-2x
Volume =

Equate first derivative to 0
We get applicable root as x = 8.642
Max volume = 13058.83 cubic inches
The answer is A) <span>Increasing: x < 7; decreasing: x > 7</span>