Protons my dude.............
Answer:
<u>A</u> He should ask his students to know what they prefer
Step-by-step explanation:
Its 4 by the way cause it is
Answer:
34
Step-by-step explanation:
First we need to do 2/3*21, which equals 14 as 3 and 21 can be simplified to 1 and 7. 7 * 2/1= 14. Then we add the 20 to 14, 20+14= 34
