6 • x + 6 • 9
I’m pretty sure this is right because you have to distribute the 6 to both of the numbers inside of the parentheses
For both of the first two parts, you've left out part of the question and no answer is possible. / / / For the last one, ... u + xy = 18 + (10)(8) = 18 + 80 = 98.
5.07 x 10^6 the answer to the question