Answer:
Rahul by 1
Step-by-step explanation:
Johan - 3/7
Rahul - 4/9
1. Convert fractions
3/7 -> 27/63
4/9 -> 28/63
28/63 > 27/63
Rahul took more by 1/63
At first glance, it might be tempting to say this is a linear function, because we see linear terms (3x and –6x); however, these are multiplied together, so it's actually a quadratic.
We need to expand the function (hint: use FOIL) to identify the terms.

The x^2-term, or quadratic term, is

. The x-term, or linear term, is

. The number term, or constant term, is –20.
Answer:
10
Step-by-step explanation:
The radius is half the diameter
19 + X > 26
X > 7
To break your record you need more than 7 digs