1. 27.99 divide by 100 x 85% = 23.79
2. 23.79 divide 100 x 106.5% = 25.34 i think !!
Answer:

Step-by-step explanation:
since C = πd, the diameter is 25.
So, the radius is 12.5
Answer:
I need to see the whole question but I believe you just add the numbers
X+Y+Z=2+(-3)+(-4)=-5
That's your answer, lovely~
Answer:
7/7 also known as a whole (1)
Step-by-step explanation:
All you have to do is add 4 and 3 then keep the denominator the same (7)