Answer:
width is 4 meters
Step-by-step explanation:
A = l*w where l is length and w is width
28 = 7*w
Divide each side by 7
28/7 = 7w/7
4 =w
Answer:
8
Step-by-step explanation:
i would say in between 8&9 bc the square root of 8 is 36 and 9 is 81 and that's right in the middle
9514 1404 393
Answer:
(x-8)/(4x-4) x ≠ 1 or 8
Step-by-step explanation:
Common factors can be cancelled, but cannot be ignored when it comes to determining where the function is undefined.

The function is undefined for x=1 and x=8, the values of x that make the original denominator zero.
Answer:
Every student would have five markers.
Step-by-step explanation:
There would be 20 students, and 100 markers which is 20/100. You would reduce that fraction to 1/5. Therefore, every student would have 5 markers.