Step-by-step explanation:
Since, opposite sides of a rectangle are equal and each angle is of 90°.
QP = RS = 14 cm

Diagonals of a rectangle bisects each other.

Hi <span>Cassiewilliams1!
If the baker decorates 42 cupcakes in 30 minutes and you have to find a minute you have to divide 42 by 30 to find your answer which is 1.4 cupcakes a minute.
Hope this helps!</span>