Why is p logically equivalent to "not" "not-p"

the ratio of apples to oranges in the basket is 5 to 6 if there are 78 oranges in the basket how many apples are in the basket

A suit was marked with a 25% discount. If the discount is $40.00, what was the original price of the suit?

The table below shows the survey results from seven randomly selected Probability and Statistics students in one high school classroom. Gender Height, inches Favorite Dessert Hand No.

The function f (x) = 1 + 1.3 ln (x + 1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two

If a square has an area of 196 square feet. what is the perimeter of the sandbox?

A shelf is in the shape of a triangle. find the angles of the triangle if the measures of the angles are in the ratio 1:1:4

Solve the following equation. 5 (z-4) - z=4z-20 A. 4 B. - 4 C. infinitely many solutions D. no solution

40.1x+40.2-40.7x-43.6 by combining like terms

What is the sum (x - 2) + (3x + 8) if x = 2?

mrs. jarvis made 49 long sleeved blouses for the girls choir she sews 11 buttons on the front panel and 2 buttons on each sleeve how many total buttons does mrs. jarvis need?