The 2nd one has the following inequality’s that has a solidity on x>-3
You can't really make it easier to add, but since the (8+25) is in parentheses you should add that first
52 + 33
Then add straight away
52 + (8+25) = 85
Multiply by 4 to get to one minute —>28.
Multiply by 60 to get to one hour—> 1,680
Multiply by 5 to get to 5 hours—> 8,400
Answer:
626.7 
Step-by-step explanation:
Consider the figure as a circle with radius 7.5 and a rectangle with width 30 and length 15.
CIRCLE
A = pi*r*r = pi*7.5*7.5 = 56.25pi =176.7
RECTANGLE
A = l*w = 15*30 = 450
176.7 + 450 = 626.7 
Answer: Idk if this is right but the answer is 21.2, Each time you add 4.8cm
Step-by-step explanation: 4 cups=11.6cm
11.6cm+4.8cm=16.4cm
16.4cm+4.8cm=21.2