Four buses were filled with children and 20 children rode in cars for a field trip. Write an expression for how many children went on the field trip.

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

On a piece of paper graph f(x)=5•(0.4)^x

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?