Consider the following set of equations:

equation c: y = 2x + 8
equation d: y = 2x + 2

which of the following best describes the solution to the given set of equations?

no solution
one solution
two solutions
infinite solutions

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?

Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?

In a coastal town, the humidity, measured in grams of water per kilogram of air, increases by 43% for every 1 degree celsius increase in temperature. a scientist observes that the humidity on monday morning is 5.75 grams per kilogram. he wants to know how much the temperature must increase for the humidity to reach at least 49.17 grams per kilogram. let t represent the increase in temperature, in degrees celsius, from monday morning's observation. write an inequality to represent the situation, and use it to determine the desired temperature increase.