3 - (7a + 1) =
3 - 7a - 1 =
-7a + 2 <===
Answer:
Vertical and Supplementary
Step-by-step explanation:
Vertical:
each of the pairs of opposite angles made by two intersecting lines.
Supplementary:
Two Angles are Supplementary when they add up to 180 degrees. These two angles (140° and 40°) are Supplementary Angles, because they add up to 180°: Notice that together they make a straight angle. But the angles don't have to be together.
25 × 52% =
25 × 52/100=
13 questions answered correctly
