Respuesta :

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


[tex]-3-y = -3- \frac{1}{2} =-3 \frac{1}{2} [/tex]
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.