Asap: factor completely: 4a^2 - b^2 - 2a + b

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?

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent

What is the perimeter of an equilateral triangle if each side is (x+3)?