Jean, Pierre et Rachel sont des amis. Pierre est 8 ans plus vieux que Rachel, alors que Jean a 15 ans de moins que le double de l’âge de Pierre. De plus, la somme de l’âge de Pierre et du quart de l'âge de Rachel est égal à
l'âge de Jean moins 5. Détermine quels sont les âges de chacun.

3030 ur welcome

step-by-step explanation:

when rotating a figure 180 degrees, imagine that you are able to take the figure and turn it clockwise or counterclockwise around a center point. to rotate a figure 180 degrees, you will need to apply the rule (x, y) → (-x, -y). start by using a coordinate grid with coordinates for each vertex of the figure. the center point of the coordinate grid is located at (0, 0), which is what you will rotate the figure around. write down the original coordinates of the shape you are going to rotate. then, apply the rule. for example, coordinate (1, 2) becomes (-1, -2). another example would be, coordinate (-4, -2) becoming (4, 2). after you change each original coordinate to the rotated coordinate, you will draw your new figure.

step-by-step explanation:

just keep asking questions until you have a better understanding.

step-by-step explanation:

here's a poem i finished a while ago. i hope you like it and that it inspires you.