Megan answered 18 questions correctly on a test. that is 75% of the total number of questions. how many questions were on the test?

Given this information, which expression must represent the value of b?

Solve 2x+y=3 x+y=5 in substitution method

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label