Simplify: (7+4i) + (-4+5i) + (4+7i)

a) 15+6i

b) 3+9i

c) 7+16i

d) - 1+2i

What is 10/64 in simplest form

What number is 1/8 of 36?

How do you make 2/3 into a decimal

A researcher is interested in studying changes in marital satisfaction over the course of marriage. She hypothesizes that marital satisfaction is highest when couples are newly married, that it decreases during the middle years of marriage, but

Compare 1 dm and 1 cm

If - 1 is a root of f (x), which of the following must be true? A factor of f (x) is (x - 1). A factor of f (x) is (x + 1). Both (x - 1) and (x + 1) are factors of f (x). Neither (x - 1) nor (x + 1) is a factor of f (x).

What is the average speed of a cheetah that sprints 100 miles in 4 seconds? How about if it sprints 50 miles in 2 seconds?

A mother is 4 times as old as her daughter. in 3 years, the mother will be 3 times as old as her daughter. how many years old is the daughter now?

What is 0.947 founded to the nearest tenth

1) choose a number 2) Multiply it by 3 3) Add 3 4) Divide by 3 5) Subtract the number chosen in step 1 from your answer in step 4 Your answer should be 2, explain why it works?