7 slope is 6/4 8 slope is can be 4 or 0 9 slope is 8/3
If two adjacent angles have their exterior sides in perpendicular lines, then the two angles are also perpendicular.
Both exterior and interior angles sum up from 90 - 180 degrees. Therefore, if an exterior angle is perpendicular, then the interior angle must also be perpendicular in order for them to sum up to that amount of degrees (90 - 180).
Answer:
b × 40 = w
Step-by-step explanation:
Times the number of bags by the weight of each bag to equal w
Violates conservation of energy. For the water to be pumping, it must have had an energy source to start with. Energy cannot be created or destroyed.