Form the union for the following sets.
r = {10, 15, 20}
s = {20, 25}
r ∪ s =

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Use multiples to write two fractions equivalent to 7/9. 14/18, 8/10 6/8, 21/27 10/12, 28/36 14/18, 21/27

Is a square always, sometimes, or never a parallelogram