Matilda is practicing her marching band routine on the football field. She starts at the center of the field, marches 80 feet south then 60 feet west, and stops.
What is the direct distance from the center of the field to where Matilda stopped marching?

answer

the correct answer is

explanation

the given function is

the excluded values are obtained by solving:

we factor to obtain:

the excluded values are

true !

step-by-step explanation:

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: