Qusai made a scaled copy of the following trapezoid. He used a scale factor less than 1.
What could be the length of the longer base of the scaled copy of the trapezoid?
Choose 3 answers:

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Which points are solutions to the linear inequality y < 0.5x + 2? check all that apply. (–3, –2) (–2, 1) (–1, –2) (–1, 2) (1, –2) (1, 2)