To determine the number of trout in a lake, a conservationist catches 194 trout, tags them and throws them back into the lake. Later, 56 trout are caught; 14 of
them are tagged. How many trout would the conservationist expect to be in the
lake?

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.

Reflect the point (7,0) across the y-axis

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)