Let z = 9 – 2i and zw = 25 + 70i. What is w?

1 + 8i
1 – 8i
–1 + 8i
–1 – 8i

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

20 points for the answer. this is for real , don't put random ! a rectangle has a length of 4 centimeters and a width of 7 centimeters. what is the effect on the perimeter when the dimensions are multiplied by 5? the perimeter is increased by a factor of 5. the perimeter is increased by a factor of 20. the perimeter is increased by a factor of 25. the perimeter is increased by a factor of 100.

15 oranges weigh 3.75 kilograms (kg). if each orange weighs approximately the same, approximately how much does each orange weigh?