Question

Photos are there. thank you!

Answer 1

19/4

Step 1:

12a + (b - a - 4)

a = 1/4

b = 6

Step 2:

12(1/4) + (6 - 1/4 - 4)

3 + (2 - 1/4)

3 + 7/4

19/4

Answer 2

19/4

Explanation:

Order of Operations: BPEMDAS

Step 1: Define

12a + (b - a - 4)

a = 1/4

b = 6

Step 2: Substitute and Evaluate

12(1/4) + (6 - 1/4 - 4)

3 + (2 - 1/4)

3 + 7/4

19/4