Is the number 39 prime or composite and is the number 29 prime or composite or is the number 51 prime or composite.

During a five-day training at your department, the number of visitors triple each day. If the training started on a Monday with 345 attendance, what was the attendance on Thursday?

A car with an initial cost of $23,000 is decreasing in value at a rate of 8% each year. Write the exponential decay function described in this situation.

3+2 x 10 + 4 x 1.000 in standard form

Travis is making bags of trail mix for hiking club. He will use 20 ounces of walnuts, 10.2 ounces of almonds, and 25.3 ounces of cashews. This amount makes 25 bags of trail mix. How many ounces are in for each bag?

What reasons justify a solution to a rational equation?

Tommy has a bag of LEGOs. There are 6 yellow, 3 red, and 8 blue LEGOs. What is the ratio, in simplest fraction form, of red to yellow LEGOs?

What is 47% of 45.9%

Alex is thinking of a doubles fact. The sum is greater than the sum of 7+7but less than the sum of 8+9. What fact is Alex thinking of?

How to get a proper fraction with 6/5

Helen's house is located on a rectangular lot that is 1 miles by i mile. Estimate the distance around the lot.