The answer is 9 shown below a b c triangle shown below ⬇️
Answer:
The answer is 10.
Step-by-step explanation:
7*2=14
Then the expression becomes 18-14+6
18-14=4
4+6=10
Answer:
3/10
Step-by-step explanation:

Answer:
518
i don't know if this needs much explaining.
0.25r-0.125+0.5r=0.5r
0.75r-0.125=0.5r
-0.125= -0.25r
r=0.5