Nine more than the product of seven and three

30

Step-by-step explanation:

Product is the answer to a multiplication problem.

7x3=21

21 is the product.

21+9=30

30 is 9 more than 21.

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5