How to prove that square root of x where x is rational is rational?

Which is the correct classification of StartRoot 32 EndRoot?

The Mean is 20 the median is 23 what might be the number

What is five consecutive multiples of 5 that are greater than 26 but less than 51

Gus and Ike have a 5:3 ratio of cards. if Gus gives Ike 15 cards they now have the same amount. how many cards to they have and how many did they start with?

What is 77,543 rounded to the nearest ten?

What is the range of 24,3,29,24,8,38,62

The nickels and dimes all fell on the floor. There were 12 more nickels than dimes, and the total value of the coins was $5.10. How many nickels and how many dimes were on the floor?

2. mrs. barlow's math class took a test yesterday. out of 70 students, 70% of them passed. how many of mrs. barlow's students passed the test?

A lunch counter sells two types of sandwiches, roast beef and chicken salad. The profit on the sandwiches is $2 for chicken salad and $3 for roast beef. The amount of bread available is enough for 30 sandwiches.

Evaluate the following expression 40 - 8 - 102