Answer:
10.
Step-by-step explanation:
plug 4 in to the original equation as x which will give you 10
Answer: explain the meaning of
1600/49
5 5/7 = 40/7
40/7 * 40/7 = 1600/49
30
since this is rhombus 1 2 3 4 must be equal
|NP|=|MN|
so 180-120=60
60/2=30
