Simplify. 14.2 • (–6) ÷ 15 • (–4) ÷ 0.4 a. –56.8 b. –3.55 c. 56.8 d. 3.55

Asand dune stands 5 feet’s above sea level. the hill is eroding at a rate of 1 foot per 20 years. let y represent the height of the sand dune after x years which equation represents the situation

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?