Answer:
C
Step-by-step explanation:
Let find the measure of the angle supplementary to Angle 1.

Angle 1 is supplementary to that angle so


Answer:
Step-by-step explanation:
hello you idiot
Answer:
50%, 68.26%, 95.54%
Step-by-step explanation:
Let X be the day care costs
X is N(10000, 2000)
Since normal distribution is symmetrical about the mean we get
above 10000, exactly 50% of day care cost would be .
Between 8000 and 12000,
=
Between 6000 and 14000
%
Answer:
b
Step-by-step explanation:
b
Answer:C
Step-by-step explanation:
(a-5)*(a+3)
a*a+a*3+(-5)*a+(-5)*3
a^2+3a-5a-15
a^2-2a-15