A bottle of water costs $1. 50. Explain how you would make a graph of four ordered pairs to model the total cost of the water in terms of the number of bottles.

If you are solving y2+2y=48 by completing the square, the next line would be y2 + 2y - 48 = 0 y2 + 2y + 4 = 52 y2 + 2y +1 = 49

What kind of interaction is depicted in the image? a. intraspecific, direct b. intraspecific, indirect c. interspecific, direct d. interspecific, indirect e. invasion

Need will give 100 ! in no less than one hundred fifty words, explain why it is important for engineers to sketch designs and use them to clarify their designs to other people, giving at least three reasons.