Answer:
51
Step-by-step explanation:
a squared+2 squred=c
7×7- 10×10= 49-100= 51
c= 51
find square root of it 51= 7.14
2 cm per hour
1 hour lines up with 2cm
2 hours line up with 4cm
3 hours line up with 6cm
c. the number of persons allegric to penicillin
About 9.4 units
Jun Wei donated a higher percentage than Lixin
calculate it by multiplying monthly salary by 12 then divide the total donated to total earned for both people... you Will Find 6.25 % for Jun Wei but for Lixin You Will get 5.51%
