Answer:
the correct answer is the second
30-(11+(18-(48/8×2))+7)+15
= 30-(11+(18-12)+7)+15
= 30-(11+6+7)+15
= 30-24+15
= 21
Answer:
(4*10)+(7*1/100)=40+7/100=40 7/100
Step-by-step explanation:
Answer:
d
Step-by-step explanation:
Try using simple numbers like 1 as x and then try with the different functions until it works