Write an numerical expression for "6 times the sum of 4 and 5." a) 4 + 5 x 6 b) 6 x (4 - 5) c) 6 x (4 + 5) d) 6 x 4 + 5

C) 6x(4 + 5)

Step-by-step explanation:

This the only one that makes sense. A doesn't work because of pemdas. You'd have to multiply before adding. B doesn't work because the original problem doesn't call for subtraction at all. And D doesn't work for the same reason that A doesnt.

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

the answer is 62.8 cubic units