Acombination of a conditional statement and its converse written in the “if and only if” form. both the conditional and the converse must be true before writing this statement .

find out the value of b

step-by-step explanation:

70

step-by-step explanation:

2*5=10

4*15=60

60+10=

70

no association

step-by-step explanation:

if you have eyes and you can use them efficiently you can see that it just looks like random dots like do a line of best fit and like they're so spread out it's such a weak association you might as well consider it nonexistent