The acceleration of a particle is given by the equation a=3t if v=2m/s at 1 sec s=12m at t=1sec find s at t=2sec

Show me how you find y and z and determine what y and z are you i appreciate it : )

Tom drove 206 miles in 3.9 hours. estimate his average speed.

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell