X=80°
A triangle’s angle measurements always add up to 180°. So 180-70-30=80
Answer:
Step-by-step explanation:
Just Trying to get points
The numbers are irrational, so they can't be exactly written down
using only digits.
In exact form, they are
1 + √57
and
1 - √57 .
In rounded form, they are
8.54983
and
-6.54983 .
Answer:
35 times StartFraction 5 Over 7 EndFraction
Step-by-step explanation:
Alejandro has gone to school (5/7) of the last 35 days.
We need to find the expression that can be used to determine the number of days Alejandro has gone to school.

So, the correct option is (b) "35 times StartFraction 5 Over 7 EndFraction".