An experiment has a mixture whose initial temperature was 10 degrees. During the experiment, the temperature of the mixture is lowered by 15 degrees. Which integer shows by how much the temperature of the mixture changed?

Select all the correct statements. the amount in dollars an electrician charges in terms of the number of hours worked is represented by the function y = 22x + 42. from the function, identify all the phrases that hold true for the situation. the electrician charges an initial fee of $22 the y-variable represents the number of hours the electrician charges an initial fee of $42 the electrician charges $22 for every hour worked the x-variable represents the electricians charges in dollars the electrician charges $42 for every hour worked

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

0.75,1.75,2.75,3.75 is arithmetic or geometric?