Adeep sea diver’s depth is currently 30 m below the surface of the water.
which expressions represent a change in depth of d meters?
choose exactly two answers that are correct.
a. -30d
b. -30 - d
c. -30/d
d. -30 + d

your answer is 23/2 - 13.5

step-by-step explanation:

7/2 evaluates to

multiply x and 4.5

multiply x and 1

the x just gets copied along.

the answer is x

x

4.5*x evaluates to 4.5x

multiply 3 and 4.5x

multiply 1 and x

the x just gets copied along.

x

4.5*x*3 evaluates to 13.5x

7/2-4.5*x*3 evaluates to

  + 8 =

the answer is

7/2-4.5*x*3+8 evaluates to

the answer is c

hope this !