The output k at input t = -7 is -89
Step-by-step explanation:
In order to find the value of a expression on given number, we put the number in given expression in place of independent variable
So,
Given expression is:

It is given that the value of t has to be -7
so putting t=-7 in the expression

Hence,
The output k at input t = -7 is -89
Keywords: Expressions, input, output
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Answer:
for q 19 its x=209ft and for 21 its 66.5 ft i forgot q 20
Step-by-step explanation:
Answer:
c
the total number of marbles are 12 and there are 3 colours so you divide 12 by 3
Domain is the first set of numbers or x
52, 72, 86 and 105
the y coordinates are the range