Which expression shows (3-4i) + (-7-8i) in simplest form?

A.-1-15i

B.-4-12i

C.-4-28i

D. 10-12in

73+55=52+n what does n equate?

Mr. obrien is paid $7.30 per hour for the first 40 hours he works in a week. He is paid 1.5 times that rate for each hour after that. Last week, mr. Obrien worked 44 hours. He says he earned $321.20 last week. Do you agree? Support your answer

The variable Y varies directly with x^2 And Y = 72 when X = three

Let f (x) = x^2 and g (x) = 3x+1 Find (f•g) (5) A. 400 B. 256 C. 160 D. 76

A computer is used to generate passwords. Passwords are made up of numbers from 1-6 and lowercase letters. The computer generates passwords one character at a time.

A food truck sells salads for 6.50 each and drinks for 2.00 each. The food truck's revenue from selling a total of 209 salads and drinks in one day was 836.50. How many salads were sold that day

The sale of sweaters in a town changes with the temperature. If a statistical model predicts that daily sales (in dollars) are determined by the function s =

Add the numbers from 1 to 100 by following the same steps you used in 1.

The numbers of chocolate chips in 7 cookies are shown. 5,7,7,9,12,16,21 What is the mean number of chocolate chips for these 7 cookies?

The length of rectangular hall is 3 meters more than double of its breadth. If it's perimeter is 66 meters, what is its length?