7 & 8/10 or 78/10 ( which is the same thing)
Answer:
X=0
Step-by-step explanation:
First of all, it is 2r

and it would be divide by 3.14 (pi) and then you should have the diameter. Then divide by 2 to find radius.
Answer:
26
Step-by-step explanation:
add both expressions to equal 90 (bc of the right angle)- x+11+2x+1=90
when you solve, you get x=26
Answer:6z
Step-by-step explanation:
4z+2z=6z