You will see a tiny picture up top of the question and draw it out and added then work
Answer:
X=20 degree
Step-by-step explanation:
∆A+∆D+∆O=180
2x+10+2x+90=180
collect like terms
2x+2x=180-100
4x=80
(4x)/4=(80)/4
x=20 degree
Answer:
75%
Step-by-step explanation:
A percent is a value out of 100.
Change the fraction 
to an equivalent fraction with the denominator equal to 100.
× 
= 
This fraction represents a percent.
= 75%
Answer:
16.
Hope this helps, have a great day/night!
Unit form is putting all numbers in place according to its place value.
The proble states 7 hundred which means that 7 is in the one hundreds place.
7 * 100 = 700
The unit form is 700 x 10 = 7,000
