add them both then you get the awnser if the four is not a negative. if the four is a negative use division.
Answer:
1) 102
2) 62
Step-by-step explanation:
12 + 5 + 3² × 10 - 5
12 + 5 + 9 × 10 - 5
12 + 5 + 90 - 5
17 + 90 - 5
107 - 5
102
(12+5) + 3² × (10 - 5)
(17) + 9 × (5)
17 + 45
62
Answer:
Option C is correct.
Step-by-step explanation:
Given Equation:

To find: Solution of the Equation.
Consider,





b² = 0 ⇒ b = 0
b - 4 = 0 ⇒ b = 4
Therefore, Option C is correct.
Answer:
£216
Step-by-step explanation:
- Cost = £6 per person
- Teacher earns = 90% of total
<u>Total number of people:</u>
<u>Total paymen</u>t:
<u>Teacher earns in total per given week:</u>