Answer:
20 and -20
20^2 = 400
(-20)^2=400 since two negative is positive
So you would start with the square and do 18 times 18 which equals 324 then for the triangle it's base times height divided by two so 9 times 18 divided by 2 which equals 81 then you add the triangle plus the square and your final answer is
answer:405
Answer:
-43K+42
Step-by-step explanation:
Answer:
yes the sides of a triangle can have all those sides
Answer:
46%
Step-by-step explanation:
<u>Step 1: Make an expression</u>
<u />
<u>Step 2: Divide both sides by 39</u>
<u />
<u>Step 3: Find the percent</u>
<u />
-> Gives us the increased percent
46%
Answer: 46%
