Iwish to get the opinions of vcu students (who are currently in statistics class) regarding their experiences with the statistics department. if i randomly select three students from every statistics class, what sample collection method was used?

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

Asalesperson has january sales of $20,000(1,$20,000) and april sales of $80,000 (4,$80,000). what is the rate of change?