Answer:
look at the picture i have sent
Answer:
x=1.8
Step-by-step explanation:
Answer:
73
Step-by-step explanation:
you write 12 instead of b
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 -
