the actual thickness of a machine part is 0.5 cm and it has to be measured to within a 2% error what is the largest measurement that is acceptable

Solve the word problem. the table shows the low outside temperatures for monday, tuesday, and wednesday. by how many degrees did the low temperature increase from monday to tuesday? this function table shows the outside temperature for a given a. 21.1⁰ b. 8.6⁰ c. 4.9⁰ d. 3.9⁰(the picture is the graph the the question is talking about.)

I’m still confused on how to work the percentages

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.