Answer:
Step-by-step explanation:
Perimeter of rectangle =2l+2w
10 feet by 3.5 feet
l = 10feet and w = 3.5feet
Perimeter = 2(10) + 2(3.5)
Perimeter = 20 + 7
Perimeter = 27feet
Answer:
Below.
Step-by-step explanation:
Number is different to the other 2. Its value is +4 because negative 2 squared = + 4.
The other 2 have negative values and -2 = -(2) so they have the same value, -4.
You would need to explain base ten and base 8
Im guessing he answered 30 correct, let me know if im correct