Answer:
x=40
Step-by-step explanation:
The sum of the angles of a triangle add to 180
x+102+38 = 180
Combine like terms
x + 140 = 180
Subtract 140 from each side
x+140-140 = 180-140
x = 40
Answer:
210.
Step-by-step explanation:
10.5 x 20 = 210
i hope that helps!!!
Answer:
-3.85
-3 is a whole number, it comes before the decimal point.
17/20 is a fraction so it goes on the other side.