What is the best estimate for the value of x in this inequality?
9.2
a) square root 80
b) square root 82
c) square root 85
d) square root 87
i think the answer is b

Find the value of the variable and the length of each secant segment.

Simplify the expression. -2/5(10+15m-20n)

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.