Respuesta :

Answer:

45. Final answer

Step-by-step explanation:

The number is the product of the numbers 5 and 9 is 45. Then the sum of 5 and 8 will be 45.

What is Algebra?

Algebra is the study of mathematical symbols and the rule involves manipulating these mathematical symbols.

1 + 4 = 5

2 + 5 = 12

3 + 6 = 21

5 + 8 = ?

The pattern can be understood as

1 × (4 + 1) = 5

2 × (5 + 1) = 12

3 × (6 + 1) = 21

4 × (7 + 1) = 32

5 × (8 + 1) = 45

More about the Algebra link is given below.

https://brainly.com/question/953809

ACCESS MORE