Answer: x=55
Step-by-step explanation: 35+35=70. 180-70=110. 110/2=55.
hope it helps
it says I can't send if it has less than 20 characters why?
Answer: (b+5)(b-5)
Step-by-step explanation:
both b^2 and 25 are square numbers, so square root both of them to give b and 5, then put into brackets with a + and -