To find the angle use arc tan (-5/-7) which simplifies tips arctan(5/7). arc tan is tan to the power -1, which is also called inverse tan. The heading of the angle, if you drew this out on a graph your angle would be in the third quadrant and therefore the heading is south of west.
4 streamers. There are 4 columns so she will need to connect the columns using 4 streamers
Answer:
First you Set up a ratio where your large side is on top of the fraction and the smaller side is on the bottom of the fraction. Then you Divide the ratio, then set the bottom number to one.
100 is 105 rounded to the nearest hundred hope it helped