74.25 minus 38.50 equals 35.75 then do 35.75 divided by 6.50 which is 5.5 so he worked 5 and a half hours
#5= 37.5:62.5 i think its good
Answer:
9) 3rd side = 2x+2y
10) 5a^2 + 6a - 3
Step-by-step explanation:
9) 10x+5y - ( 3x+ 4y) = 7x + y
7x + y - ( 5x - y ) = 2x + 2y
10)
Answer:
Input
Independent variable
Step-by-step explanation:
we know that
<u><em>Independent variables</em></u>, are the values that can be changed or controlled in a given model or equation
<u><em>Dependent variables</em></u>, are the values that result from the independent variables
we have the function

In this problem
The function d(t) represent the dependent variable or the output
The variable t represent the independent variable or input