Use the table to solve.

kevin's supply list for
a saltwater aquarium 40-gal tank $170 aquarium light $30 filtration system $65 thermometer $2 10-lb bag of gravel $13 large rocks $3 per lb clown fish $20 each damselfish $7 eachkevin bought 6 bags of gravel to cover the bottom of his fish tank. he has 7 pounds of gravel left over. how much gravel did kevin use to cover the bottom of the tank?

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

List the sides of δrst in in ascending order (shortest to longest) if: a ∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.