Answer:
5a-7=24
5a=24+7
a=31/5
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
Both numbers are divisible by 10.
Answer:
J
Step-by-step explanation:
Nadine got a mistake in step 4 because -19 when transferred to the other side that would become 19. Therefore, the result of the right side of the equation should be 40 (21 + 19).
Answer:
<em>The coordinate of the midpoint is 1/2</em>
Step-by-step explanation:
<u>Midpoint</u>
The midpoint of a segment defined in a one-dimension system is

Where x1 and x2 are the coordinates of the points.
The given segment has endpoints x1=-7 and x2=8, thus:


The coordinate of the midpoint is 1/2