Write the quadratic equation whose roots are -6 and -1, and whose leading coefficient is 3. (Use the letter x to represent the variable.)

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

The function models the number of accidents per 50 million miles driven as a function

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.