Which expression is equivalent to (4 + 5i) + (1 - 7i)? 1. 9 - 6i 2. 3i 3. 5 - 2i 4. 5 + 12i

It takes a total of 6 hours to fill up an inground backyard pool using a standard house. a function can represent this situation to represent the amount of water in the pool until it is full a function of time the hose is running. determine the domain for the function

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet