A side of the triangle below has been extended to form an exterior angle of 119º. Find the value of x. 119, x, 90°

Nine more than four times a number is the same as one less than twice the number. find the number?

In which form is the following function written? y = - 2(x – 3)(x + 5)

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?