Answer:
B. Complementary Angles
Step-by-step explanation:
They both make up 90 degree angle.
Answer:
Step-by-step explanation:
5x + 2y = - 2
2y = - 5x - 2
y =
x - 1
The last one is rational because it is a terminating decimal.
Choosing 4 men from seven can be done in 7C4 = 35 ways
(There are 7 to choose from then 6 and 5 and 4 = 7 x 6 x 5 x 4
but we don’t want them in order so we need to divide by 4! = 4 x 3 x 2 x 1)
Similarly choosing 4 women from 11 can be done in 11C4 = 330 ways.
Total number of ways to choose 4 men and 4 women = 35 x 330 = 11550
Answer:

Step-by-step explanation: