A cell phone charger uses 5.6 Joules of energy per second when plugged

into an outlet but only 1.7 Joules of energy per second actually end up in

the cell phone battery. What is the efficiency of the charger?

1.) 30%

2.) 3.29%

3.) 329%

4.) 9.59%

A moose population is growing exponentially following the pattern in the table shown below. Assuming that the pattern continues, what will be the population of moose after 12 years? Show all your work! Round your answer to the nearest whole number.

Prove the equation x^3-8x-5=0 has at least three real roots

The case of the stolen jewelry

Which of the following is an equivalent form of the compound inequality - 22 > - 5x - 7 ≥ - 3? -5x - 7 < - 22 and - 5x - 7 ≥ - 3 -5x - 7 > - 22 and - 5x - 7 ≥ - 3 -5x > - 22 and - 7 ≥ - 3 -5x - 7 < - 22 and - 5x - 7 ≤ - 3

Alexa is constructing a circle inscribed in a triangle. She has partially completed the construction, as shown below. What should be her next step in the construction?

Tickets to the senior class play cost $7. Production expenses for costumes and sets are $350. The profit (p) will depend on the number of tickets sold (n).

If you can buy 1/2 of a gallon of milk for $3 how many gallons can you buy for $5 write your answer as a fraction of a gallon

If 8 pounds of grass seed are divided equally into five piles, what is the weight of one of these piles? A) 5/8 pound B) 8/5 pounds C) 5 1/8 pounds D) 8 1/5 pounds

The transitive property holds for similar figures. true false.

Each prize for a carnival booth costs $0.32. How many prizes can you buy with $96?