Question

I need help simplifying this question

Answer 1

Answer: c)23

Explanation:

Solution Steps

(45−28)−(15−21)

Subtract 28 from 45 to get 17.

17−(15−21)

Subtract 21 from 15 to get −6.

17−(−6)

The opposite of −6 is 6.

17+6

Add 17 and 6 to get 23.

23

Hope this helps. :)

Answer 2

Answer:
A 11

Explanation: