Answer:
(a x 4)+(a x 3)=7a
Step-by-step explanation:
(a x 4)+(a x 3)= 4a+3a
(a x 4)+(a x 3)=7a
or does your question means something else??
<h2>
The race is 1.2 miles long</h2>
Step-by-step explanation:
The first leg is 3/10 mi, the second leg is 1/2 mi, and the third leg is 2/5 mi.

Now we need to find length of race

The race is 1.2 miles long
Answer:
4320.43
Step-by-step explanation:
You need to figure out the Pythagorean Theorem and then use that answer to find the area. You will then get 4320.43.
Hope this helps.
Answer:
Step-by-step explanation:
4/5 - 7/5
7-4/5
3/5
Or
4/5 - 7/5
4-7/5
-3/5