Which of the following method for making a proof does not involve the negation of a statement

At 1pm, there we're 16 seagulls on the beach. At 3 pm, there were 40 seagulls. What is the constant rate of change

Cherries cost $4/Ib. Grapes cost $1.50/In. You can spend no more than $6 on fruit, and you need at least 2 Ib in all. Create a graph showing the amount of each fruit you can buy.

Evaluate A2 for A = - 3.

Solve the equation 1/6 (12z-18) = 2z-3

The bill at a restaurant is 37.52. Helen wants to leave a 15% tip. If Helen has $40, will she have enough money to pay the bill?

What are the next three terms of the pattern 4, - 2, - 8, - 14, ... ?

Ifx + 2y = 8 and - 2x + 3y = 5, then what is the value of 2x + 3y?

Caden built a rectangular prism that has a length of 8 units a width of 3 units, and a height of 5 units. what is the volume of the prism. show your work

3x-5y = - 25 Solve for x

How many feet is 4 acres