A clothing store sells a customer 3 T-shirts and 4 pairs of shorts for $72.
Another customer buys 4 T-shirts and 1 pair of shorts for $44. How much is
one T-shirt (1), and one pair of shorts (s)?
O A. t= $3, s= $4
O B. t= $12, s = $8
O c. t= $8, s= $i2
O D. t= $4, s = $1

Alex took his brother to a birthday party. the party was scheduled to last for 1 and 3/4 hours but they stayed for 4/5 of an hour more. how long did she stay at the party?

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?

The pyraminx is a rubik's cube-type toy in the shape of a tetrahedron. the pyraminx shown below has edges 15\,\text{cm}15cm long and vertical height h=12.2\,\text{cm}h=12.2cm. the triangle drawn with dashed lines is a right triangle. what is the distance rr? round your answer to the nearest tenth.