A bowl contained 15.1 grams of salt. Then, Alan poured in another 37.87 grams. How much salt does the bowl contain now?

Can someone me with this problem . show your work .

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.