Sinkhole a circular sinkhole has a circumference of 75.36 meters. a week later, it has a circumference of 150.42 meters.
a. estimate the diameter of the sinkhole each week.
b. how many times greater is the diameter of the sinkhole now compared to the previous week.
need this by tomorrow and i need work to show for the answer.

Afunction is given: f(x)=3x+12 a. determine the inverse of this function and name it g(x) b. use composite functions to show that these functions are inverses. c. f(g(– explain: what is the domain?

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply