A heptagon has 7 sides, so 7-2=5
Answer:
k=30
Step-by-step explanation:
The number of mice vary inversely with cats. This is written as:

When there are 3r-19 cats, there are 2r+1 mice

When there are 6r-27 mice, there are r-5 cats.

Taking the values of k above, we have:

Therefore:

The correct answer for the given problem above would be option B. Fran must work 17 hours per week to meet her goal. Why? According to the given details above, Fran works 15 hours per week for $225 which makes it $15 per hour. If she adds another 2 hours per week to make it 17 hours, then she will earn $255 dollars per week. Now, since she is saving $40 dollars plus the two hours which is $30, a total of $70 per week of savings, multiplied by 20 weeks, then, she will be able to get $1,400.
Answer:
4 × 5 × 6 × 1012 = 121440
= 1.2 × 10⁵