I NEED HELP ON MY QUIZ TO PASS THE SEMESTER HELP PLEASE

Find the multiplicative inverse of 8-12i

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

The perimeter of a rectangular rug is 24 feet. the length of the rug is 1 2/5 i s width. what is the area of the rug