Answer:
B. 60-60-60
Step-by-step explanation:
The interior angles of a triangle must add up to 180 degrees. The only set of numbers adding up to 180 is choice B.
Answer:

Step-by-step explanation:

The discriminant of a quadratic is the expression inside the radical of the quadratic formula.

Substitute in the values of a, b, and c.





<h3>Hope it is helpful...</h3>
63 people should be able to fit in because 7 times 9 is 63.
If I'm wrong, contact me.
Answer:
see below
Step-by-step explanation:
7 x 13 (split 13 into 10 + 3)
= 7 x ( 10 + 3) (expand parentheses by distributive property)
= (7 x 10) + (7 x 3)
= 70 + 21
= 91
Every 5 days the number is cut in half. So from 600 mg to day 5, the sample will be 300 mg. Then from day 5 to day 10, the sample will reduce to 150 mg. And finally, from day 10 to day 15, the sample will have reduced to:
75 mg
I hope this Helps!