Find the sum of 2/9+1/9?

Find the multiplicative inverse of 8-12i

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air