U A large rectangle is made by joining three identical small rectangles as shown.
X cm
The perimeter of one small rectangle is 21 cm.
The width of one small rectangle is x cm.
Work out the perimeter of the large rectangle.
The final line of your answer should be of the form,
Perimeter of large rectangle is ... cm
5196 cm
+
Total marks: 4​

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?