The frequency table shows the data from a random survey of students that asked how they earn money during the summer.
Student Summer Work
Babysit
Do Not
Babysit
Total
Do Yard
Work
6
9
15
Do Not
Do Yard
Work
12
8
20
Total
18
17
35
A. What fraction of the students surveyed babysit?
B. What is the relative frequency of students who babysit and do yard work compared to all who do yard work?
Enter the answer as a fraction or decimal.

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?