Answer:
b
Step-by-step explanation:
Answer:
Solution given:

now
f(x)+g(x)=
....(1)
now
factoring x²+6x-40
we get
x²+10x-4x-40
x(x+10)-4(x+10)
(x+10)(x-4)
now substituting in equation 1 ,we get
f(x)+g(x)=
taking l.c.m
=
=now
opening bracket

=
So
answer is :
B. 
If the coins are selected without replacement, the probability of 2 dimes is:

The answer is 5/14.
Using the formula for a hypergeometric distribution, we get:
Answer:
30ft2. so its c
Step-by-step explanation: