Please help :( To multiply a sum or difference by a number, multiply each
number in the sum or difference by the number the
parentheses.

Options:
inside

outside

above

below

Outside

Step-by-step explanation:

From what I see, your question might look like this a(b +/- c)

"a" would be on the outside.

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour

this linear equation would have just one solution.

step-by-step explanation:

the reason why this would have one solution is that it is an expression with just one variable. since that variable is not raised to a power, it will always have just one solution.