Merissa drives 57.9 miles per hour for 3.2 hours to visit her mother. estimate the number of miles merissa drives.

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

Two numbers have a sum of 93. if one number is p, express the other number in terms of p.

Solve the system of equations. y=3x-1 and y=-2x+9. show work