Choices for the first blank are population, example, sample, and data. and the second one it’s representative sample, single example, data point, and whole population. Help plz thanks you!

What is the solution of the systems of equations? y=2/3x+3 x=-2

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?