Your friend can clap his hands 28 times in 12 seconds. How many times can your friend clap his hands in 0.5 minute?

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll