You and your friend have been walking for a total of 15 minutes on two different streets. You are walking 4 feet per minute and your friend is walking 6 feet per minute for a total of 72 feet. Write a
system of linear equations to represent this situation

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

Find the values of the variables in the kite

Analyze the diagram below and complete the instructions that follow. how to find tan