In a class of students, the following data table summarizes how many students have a brother or a sister. What is the probability that a student chosen randomly from the
class is an only child?
Has a brother Does not have a brother
Has a sister
3
4.
Does not have a sister
15
2

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120