Angela also babysits for her neighbors. she charges $11 per hour which babysitter teresa or angela will charge less to babysit for 2 hours 3 hours 4 hours

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your