Can someone please help me with math

Number 2 is C. 7

Step-by-step explanation:

You have to multiply 5 and 3 you will get 15 then take 15 from 43 you will get 28 then dived 28 by 4 you will get 7.

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|