Answer:
and not 
Step-by-step explanation:
Jim's work evaluating
is shown:

If you look at the Second step, the exponent is taken over only the numerator. It should have been taken over both the numerator and denominator as shown below.

The correct workings therefore is:

Suzy makes 675
Katie makes 500
Janine makes 800
Answer:
The slope represents the rate of change of earnings in a week for every unitary change in number of doors knocked. For Jessica's function, her earnings change by +7 units for every unit of door she knocks.
Answer:
Probability of a flowering plant bearing flowers in January if it is a peony= 70 %
Step-by-step explanation:
We know that:
Probability =Total favourable outcomes/ Total possible outcomes
Probability of flowering plants bearing flowers in January is given in the table. It means that out of 100 peony 70 peony flowers in January.
There are five kinds of flowers.
We have to select peony and find it's Probability.
As all flowers are independent, their flowering phenomenon does not depend on each other.
So,Probability of a flowering plant bearing flowers in January if it is a peony= 70 %