-4+x=9.5
x=13.5
The student might have subtracted 9.5-4, which results in the answer 5.5. The correct answer is 13.5.
Answer:
Show that the ratios StartFraction UV/XY, WU/ZX, and WV/ZY are equivalent.
Step-by-step explanation:
I just took the quiz and got it right. Hope this helps :)
Answer: 
Step-by-step explanation:
To find the circumference of a circle, you can use
. You can set this equal to 21 (feet). The equation to solve at this point would be
.