Amare drops a probe into a lake. The elevation of the probe changes by - 13 feet every second. The probe takes 50 seconds to reach
the bottom of the lake. How deep is the lake? Show your work .​

What expression is equivalent to 42x-56y

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.

Write the expression as a single natural logarithm. 2 in a - 4 in y