Karen purchased a prepaid card for 30$. long distance calls cost 17 cents a minute using this card. karen used her card only once to make a long distance call. if the remaining credit on her card is $27.28 , how many minutes did her call last

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.