In Detroit the high temperatures in degrees Fahrenheit for 5 days in January were -12^ * ,8^ * ,-3^ * ,6^ * ,-15^ * was the average temperature for these five days?

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?