What is the midpoint of the line segment with endpoints (-5.5, -6.1) and (-0.5, 9.1)?

At a lunchron, guests are offered a selection of five different grilled vegetables and four different meats. in how many waya could one choose three vegetables and two meats?

41/17 as a decimal rounded to the nearest hundredth

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?