The value of k is -89
Explanation:
The given expression is 
We need to determine the output k, when the input t is -7
<u>Output k:</u>
The value of the output k can be determined by substituting the input 
in the expression
Thus, we have,
Multiplying the terms 10 and -7, we have,
Simplifying, we get,
Thus, the value of k is -89
A.) A Triangle cannot be both "Obtuse and Right"
[ It must be either Obtuse, Right or Acute. Never with two multiple properties ]
Hope this helps!
They're allowed to join for $15. And for every event, they have to pay $3.
3x = 21
x = 7
Someone who has $36 can attend 7 events.
Yes! Yup your right! Congrats yup!
