Maybe 40? i hope this helps
2x+2≥20
2x≥18
x≥9
closed circle on 9 because of the = in ≥ and the line going off to the right
please ask if you need more information or clarification
A≈173.82cm² that's the answer.
The triangle area is 7*2/2 = 7.
The volume is the triangle area times the side length, so 7*18 = 126 cm3
Answer A!
To convert a pexent to a decimal you have to multiply by 100.
Move the decimal: Another way to convert from decimal to percentage format is to move the decimal two places to the right.
Hope this helped :)
Have a good day
