A hairstylist charges $15 for an adult haircut and $9 for a child haircut. She wants to earn at least $360 dollars and cut a maximum of 30 haircuts this week. The graphs represent the hairstylist's constraints.
45
40
25
number of child haircuts
20
15
10
5
To
5 10 15 20 25 30 35 40 45
number of adult haircuts
List two points that could represent the numbers of adult and child haircuts that meet the hairstylist's goals,

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

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.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).