In ashley's biology class, the students tested for bacteria on a kitchen sponge. they found that there were approximately 19,000,000 bacterial colonies on a single sponge. express their findings in scientific notation.

19 × 10^6
1.9 × 10^7
1.9 × 10^6
0.19 × 10^8

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

What is the equation of a line passing through (-6,5) and having a slope of 1/3