When measuring time,8 concerts are approximately equal to 6 symphonies. how many symphonies are equal to 8concerts

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.

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi