Answer:
5.1
Step-by-step explanation:
Add 4.3 to 0.8
Answer:
2x
Step-by-step explanation:
I think so not sure try it tho
My answers are 13. B ; 14. C ; 15. C.
124+124=248 360-248=112 112\2=56
19^2 + x^2 = 21^2
19^2 = 361
21^2= 441
361 + x^2 = 441
x^2 = 441-361 = 80
x = sqrt(80) = 8.944 round to nearest tenth = 8.9