Answer:
10
Step-by-step explanation:
let the number be n then half the number is
n , so
n + 69 = 74 ( subtract 69 from both sides )
n = 5 ( multiply both sides by 2 to clear the fraction )
n = 10
Thus the number is 10
Answer:
They are quadrilaterals that have opposite sides equal in length.
Answer:

Step-by-step explanation:
we have

step 1
Eliminate the parenthesis

The symbol of the term 3x is incorrect, must be positive instead of negative
so

Group terms that contain the same variable

Combine like terms

Answer:
the answer is 80 degrees. angle between 2 parrael line is same
Answer:
280
Step-by-step explanation:
1514-1234 = 280