If p+ 4 = 2 and 9 -3 = 2, what is the value of pq?

What is the length of the unknown leg in the right triangle ?

Nine more than four times a number is the same as one less than twice the number. find the number?

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?