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

a) 15+6i

b) 3+9i

c) 7+16i

d) - 1+2i

Two cars emerge side by side from a tunnel. car a is traveling with a speed of 60km/h and has an acceleration of 40km/h/min. car b has a speed of 40km/h and has an acceleration of 60 km/h/min.

Last year 247 students attended the first home football game. This year, 295 attended. What is the percent increase in attendance? (write your answer to the nearest tenth

Ishaan is 3times as old as Christopher and is also 14 years older than Christopher. How old is ishann?

Team rise over run can you 15 3/4 miles in 2 1/4 hour what was the average rate of speed in miles per hour

How many hours is 420 minutes?

the perimeter of a rectangle is 400 meter. The length is three times the width. Which of the following best describes the length of the rectangle?

Given: y varies directly as x. If y = 5 when x = 4, what is the value of y when x = 12? A) 9.6 B) 10 C) 12 D) 15

Matematyka. Zad. 7 str. 24 ćw 5kl Proszę szybko o odp. Na zadanie 7 ze strony 27 w ćwiczeniach dla 5 klasy

Bryan drives at an average speed of 60 miles per hour. At this rate, it will take him 3 hours to drive miles.

At a local movie theatre, sodas cost $1 ... 50 and bags of popcorn $4.50. Kirk goes to the movies with all of his friends. Kirk pays for all of their sodas and popcorn. It comes out to a total of $36. He pays for a total of $16 items.