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
1/5 x 100 = 20%
Answer: 20%
Answer:
Y=2x-13 ...................
Answer: 13 + x = 50
Step-by-step explanation: the sum is 50 , 13 is provided , julie’s age is the variable
Answer:
14
Step-by-step explanation: