Question

2 to the second power times 20÷4+7×3 and -3-y when y= 1/2

Answer 1

The answer is 41 for the first one 

your welcome:)


and btw there is an app called photo math and u just scan the problem and it tells you the answer and how it got the answer.

Answer 2

   2² * 20 : 4 + 7 * 3 
= 4 * 5 + 21
= 20 + 21
= 41


$-3-y = -3- \frac{1}{2} =-3 \frac{1}{2}$