Answer:
8
Step-by-step explanation:
efd+fde=140
because triangle is positive both are 70
11x-18=70
11x=88
x=8
------------------------------------------------------------------------
Radical Form
------------------------------------------------------------------------



------------------------------------------------------------------------
Decimal Form
------------------------------------------------------------------------


------------------------------------------------------------------------
Answer : √640 = 25.30 (nearest hundredth)------------------------------------------------------------------------
7/12 ............................................
Addition Property of equality (+6 on both sides) V<19 any number less than 19 = V
B)OPTION B only 1 is your answer.