PILI Some students at Derin's school signed a petition asking for a reading area for recess. The graph below shows
the number of signatures from each grade.

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

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.

What is 10+10+20 about the origin the square root of a triangle.