Given that an activity's normal time and cost are 10 days and $400, respectively, and its crash time and cost are 5 days and $800, respectively, what is the activity's slope?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

When a septic tank backs up a goes in to clean it out

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?