<h3>
Answer: 9/38</h3>
Reason:
There are 10 red cards out of 10+10 = 20 total.
10/20 = 1/2 is the probability of selecting a red card.
If the red card is not put back (i.e. "no replacement"), then the chances of getting another red card is (10-1)/(20-1) = 9/19
Multiply the two fractions mentioned to get the final answer.
(1/2)*(9/19) = (1*9)/(2*19) = 9/38
Find the scale of the known sides:
RT is similar to UW
5.4 /9 = 0.6
The smaller triangle is 0.6 times the larger one.
Multiply the length of RS to find UV:
6 x 0.6 = 3.6
The answer is A. 3.6 inches.
It's the same angle which is 68
Add 25.5, 15.3, 9.25 all together and subtract it from 72. The answer is 21.95
