Four times a number squared

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)

Let x = a + bi and y = c + di and z = f + gi. which statements are true?

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?