Write the expression (6-3i)+(5+4i) as a complex number in standard form

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Which equation shows y= 3 4 x− 5 2 in standard form? a 4x−3y=10 b 3x−4y=10 c 3x−4y=−10 d 4x−3y=−10

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3