Jack is learning to play the piano which has 88 keys if there are 12 unique keys in each octave. how amny complete octaves are on the piano

To find the speed of a car, use the expression d divided by t, where d represents the distance and t represents time. Find the speed of a car that travels from Clinton to Greenville in 2 hours.

If a single die is rolled twice there are how many possible outcomes

What is the estimated sum? Round each addend to the nearest ten thousand before adding. 42,359 + 312,738 A. 350,000 B. 352,000 C. 355,000 D. 360,000

Homework Name: Teacher: Score: Date: Word Problems 1) Joan has to spend 34000 on expenses each year. If that amount of money is 85% of her salary, then how much money does Joan make working as an executive per year?

Carol walked 8 miles in 3 hours. John walked 15 miles in 6 hours. Are these rates in proportion

The population of a town is 20,000 and is decreasing at a rate of 5% per year. What is the population after 23 years?

Is 1/9 equal, less, or greater than 1/3?

A 12 ft ladder is leaning against a building. The ladder makes a 45 degree angle with the building how far up is the building does the ladder reach

9x-4y=-7 7x-12y=39

Amanda is 3 years older than Brantley and Carlos is twice as old as Amanda. The sum of their ages is 57. How old is Amanda?