Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes. If 7 adult smartphone users are randomly selected, find the probability that at least 5 of them use their smartphones in meetings or classes.

The probability is
(Round to four decimal places as needed.)

If kn = 9 cm, mn = 21 cm, rs = 42 cm, and ps = 18 cm, what is the scale factor of figure klmn to figure pqrs?

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

Which equation matches the graph shown ?