What is the value of the expression below when x equals 3 13 + 12x

Yes, the / symbol represents division in mathematics.

Substitute x with 3 in the expression:

13 + 12(3)

= 13 + 36

= 49

Therefore, the value of the expression when x equals 3 is 49.

Ruben's football team lost 5 yards, which means went backwards on their last play. Which integer best represents this?

The integer that best represents going backwards by 5 yards is "-5".

Sam knows that 1 inch is about 2.54 centimeters how many centimeters is 6 inches?

If 1 inch is approximately 2.54 centimeters, then 6 inches will be:

6 inches x 2.54 centimeters per inch = 15.24 centimeters

Therefore, 6 inches is approximately equal to 15.24 centimeters.

3/7 ÷ 2/5

When dividing fractions, we multiply the first fraction by the reciprocal of the second fraction.

So,

3/7 ÷ 2/5

= 3/7 × 5/2

= 15/14

Therefore, 3/7 ÷ 2/5 simplifies to 15/14.

Hillary is sharing a box of candy with her friends if there are b pieces of candy in the box being split between 6 people. Which expression shows how many pieces of candy each person will get

The expression that shows how many pieces of candy each person will get would be:

b/6

This is because there are b pieces of candy being shared between 6 people, so each person will get an equal part of b/6 pieces of candy.