Write -3i+(3/4 + 2i) - (9/3 + 3i) as a complex number in standard form.

a. (9/4 + 9i)

b. (-9/4 -4i)

c. (9i + 9/4)

d.-6i

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply

Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.