Which statement is used to prove that angle ptr is always equal to angle stq?

lines pq and rs do not have a fixed length.

angle ptr and angle pts are supplementary angles.

lines pq and rs intersect at an angle less than a right angle.

angle ptr and angle pts are complementary angles.

Which term best describes the association between variables a and b

Which of the following represents the range of the graph of f(x) below

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?