Simplify the following expression: 4 + sqrt4 +1+ sqrt9+7
O A. 11+5i
O B. 5-11i
O c. 11+ 13i
O D. 16+0i

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0