The table shows the heights of 10 seedlings. Which dot plot represents these data

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.