Answer:
Step-by-step explanation:
inside the castle
I only know the first one....
4+2+1=7
49p/7= 7p
4units:2units:1units
4×7p= 28p
2×7p= 14p
1×7p= 7p
divided it is...
28p:14p:7p
8 • (8y2 - 9)
5x^4+7x^3-6x^2
-2.7639320225 is the exact when estimated -3 hope this helped if can pls mark as brainliest have a great day!
400/1000×100%
40% is the percent of decrease from 1,000 to 400.
