Answer:
7a + 14
just multiply 7 by both a and 2
Because Angle A and B are supplementary they will ad up to 180 degrees.
the measure of angle A is 101 degrees
Use distributivity to split the multiplication
6*107
=6(100+7)
=600+42
=642
It is not.
400 decimeters = 4,000 cm
4,000 cm = 40 m