Answer: The quick way is to square the half of it.
Step-by-step explanation: You divide your main number by 2 and figure out that half. If it is still too big, divide by 2 again. If you need to keep repeating that is fine. Thank you multiply your answer by however many times you divided by 2.
Answer:
Step-by-step explanation:

Step 1: Subtract 4 form both sides
Step 2: Multiply both sides by (-3). when we are multiplying by (-3) the < will change to >.

Answer:
i cant see them can u re upload so i can figure out
Step-by-step explanation:
Answer:
the total area is 155 + 23.75 +23.75 = 202.5
Step-by-step explanation:
rectangle = 15.5 times 10 =155
tryangle 1 = 4.75 times 10 divided by 2=23.75
tryangle 2 = 23.75