The answer is c,b,a. I’m pretty sure
The radius is half the diameter. 19*2=38. The diameter is 38.
Answer:
20
Step-by-step explanation:
10+10+10+10=40
40/2=20
Answer:
5b +30
Step-by-step explanation:
5 · 6 = 30
5 · b = 5b
I think it's D as an answer but I could be wrong
