Simplify the expression

5 - 8q + -q + -6​

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

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?

Can someone, me with this.i really need with this