Write (7 + 3i) + (6 − i) as a complex number in standard form.

a) 13 + 2i
b) 10 + 6i
c) 13 + 4i
d) 13 − 2i

For the equations below which statement is true ?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.