Mario chose an integer. He subtracted 7, then multiplied the difference by -4. The product was 36. Which algebraic equation will best describe Mario's problem?
A. -4(n-7)=36. B 36(n+7)=-4 C-7(n-4)=36 D-4(n-36)=-7

Identify the number 127 as a rational or irrational. explain

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

In the diagram below,abc is congruent to dec what is the value of x