Diego measured the length of a pen to be 22 cm. The actual length of the pen is 23 cm.

What is the percent error for Diego’s measurement?

EXPLAIN AND SHOW REASONING

List the elements of the set in roster notation. (enter empty or ∅ for the empty set.) {x | x is a letter in the word hippopotamus}

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

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?