Twelve less than negative nine times a number is equal to 8 minus 4 times the number find the number

Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), what is d if c c' = 12 and d' = 0.50? a) 3 b) 6 c) 12 d) 24

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Can someone me immediately, this is due by midnight! if you can't see the question, i'll text it to you. show the steps you took to get your answer.