Answer:
I THINK 20 mm
Step-by-step explanation:
Answer:
158.1
Step-by-step explanation:
Distance is the square root of (x1-x2)^2+(y1-y2)^2
square root of (-4-146)^2+(2-52)^2
square root of 150^2+50^2
square root of 22500+2500
square root of 25000
50sqrt10
Rounding is 158.1
c. the number of persons allegric to penicillin
4;81
You subtract 5 from 9 to get 4; 5(9)= 45 9(4)=36 45+39=81