The expression 2( 21x + 75 ) represents the monthly tuition and the one-time materials fee that jamie pays for his two children to join a science club. what do each of the following present, in context, for the above expression

2 represents the two kids, he is paying double the amount because two kids are enrolled. The 21 is the monthy charge and x is the number of months in class which 21x is the slope. 75 is a one time fee and is the y intercept.

I’m sure you could google it. my profile picture might

1. isolate the variable, in this case, d. subtract 35.5 on both sides of the equation.2. 52 subtracted by 35.5 is 16.53. therefore your answer would be d= 16.5this is the basics of pre algebra, isolating variable through adding, subtracting, multiplying, and dividing, if you have any other questions to ask just comment!