Remember P.E.M.D.A.S
57 - 12 ÷ 4 · 3
= 57 - 3 · 3
= 57 - 9
= 48
Answer:
a+ pie r square so the answer is 441x pie = 1385.4424
Step-by-step explanation:
Answer: 
Step-by-step explanation:
1. You have thte following equation given in the problem above:

2. Then, you must multiply each sign of the terms inside the parentheses by the negative sign that is outside of the parentheses:

3. Now, you must add the like terms. Then, you obtain the following result:

Answer:
p ➔ q
Step-by-step explanation:
p ➔ q means if p=4, then q=-2.
Answer:
14000:21000
Step-by-step explanation:
2:3 = 2x + 3x
2x + 3x = 35,000
5x = 35,000
x = 35,000/5
x = 7000
2x = 7000 * 2
= 14000
3x = 7000 * 3
= 21000