I need help with this please I’m stuck

Step-by-step explanation:

20 times 15=300

8 times 8=64

300-64=236

So the shaded area is 236 the unshaded is 64

one that is bigger than 3 1/2

a

step-by-step explanation:

when a number is between two straight lines it means the absolute value.

to find absolute value you need to know how many numbers is that number away from 0.

when finding absolute value the number will always come out positive

so absolute value of -3 is 3

absolute value of 3/2 is 3/2

absolute value of -2 is 2

absolute value of 3.5 is 3.5

absolute value of -1 is 1

now put these numbers in order:

a)   |-1|, |3/2|, |-2|, |-3|, |3.5|