Image slicing the pyramid with a plane parallel to its base and passing through the topmost point of the pyramid. What will the cross section look like?

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?

Rounded to the nearest tenth, what is the value of x