Colby regularly earns 18. Colby and Cheryl work in different local factorie
$18 per hour, and he is paid time-and-a-half for each hour of overtime he
works. Cheryl regularly earns $16.60 per hour, and she is paid double time
for an hour of overtime. Who earns more for one hour of overtime? How
much more?

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

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.