Answer:
18,75
Step-by-step explanation:
A square has 4 sides, and each one of them are equal, so 75 divided by 4 its equal to 18,75
(2.1 x 103) x (3.5 x 102)
216.3×357
77219.1
Answer:
x<-4
Step-by-step explanation:

Answer:
not possible to answer on text, very sorry we cant help
I think the answer is 19.5