If h(x) = x - 7 and g(x) = x2, which expression is equivalent to (gº)(5)?
(5 - 72
10 (5)² -7
(5)2(5 – 7)
0 (5 – 7)x²

Select the correct answer. in the figure, angle k measures 45°. what is the measurement of angle c? a. 38° b. 45° c. 90° d. 98°

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?

Determine the area of a triangle with (see picture below)