Which classification best describes the following system of equations?

5x+10y+15z=60

2x+4y+60

x+2y+3z=60

Manuel's bus ride to school is 9/10 of a mile and Jessica's bus ride is 3/10 of a mile. How much longer is Manuel's bus ride than Jessica's? A) 6 0 of a mile Eliminate B) 12 0 of a mile C) 6 10 of a mile D) 12 20 of a mile

Katherine is three times older than Joel now. In twenty years Katherine will be six years older than Joel. How old is Katherine now?

mrs. Burt went scuba diving with dolphins in the Bahamas. she descended 22 feet, then ascended 16 feet, then down another 31 feet, and finally back up 18 feet what is the total?

What are the domain and range of the absolute value parent function?

What is 0 + y, when y = - 12

The Bodens drove for awhile before they made a plan to drive a set number of miles each day. Days 3, 4, and 5 are displayed in the table. Assume the relationship is linear.

A plane flies 1640 miles in 4 hours. What is the average speed of the plane?

How would you graph y=2 (1/3) ^x+1 - 3

What is the distance between eight and 14

What are the values for the coefficients and constant term of 0 = 2 + 3x - 5x? a= b= c=