A certain number has exactly eight factors including 1 and itself. Two of its factors are 21 and 35. What is the number?

If the temperature difference between a pan and room temperature is currently 64 degrees celsius and is decreasing 6% every minuet, how much above room temps tire will the pan be in 6 minutes

How many ten thousands are in 420000

The cost of 3 tacos and a juice is $7. The cost of 4 tacos and 2 juices is $10. If t = the cost of a taco and j = the cost of a juice. What is the cost of one juice and one taco?

What is the least common multiple of 8, 12 and 4 A. 4 B. 16 C. 24 D. 48

Solve for the following equation for x: 6 (4x+5) = 3 (x+8) + 3. Round to the nearest hundredth.

Twice a number and 5 is 15

Round 229,930 to the nearest thousand

Orange blossoms have 5 petals and are some of the most fragrant flowers. a. a group of F flowers has 40 petals in all. Write an equation to find the unknown. then find the unknown.

How is regrouping addition similar to regrouping for multiplication

500 people were asked about music genres. The number of people who like rock music is 280. The number who like country is 140. The number both is 109.