Each costume needs 64 cenemeters of red ribbon and 3 times as much of yellow ribbon. what is the total length of ribbon needed for 64 costumes? express your answer in meters

How do you graph linear equation x+y=4

Asap the total attendance for all of a baseball league in 2012 was about 7.5×107 fans, while the attendance for the tornadoes in 2012 was about 1.5×106 fans. about how many times more was the attendance for the entire baseball league than the attendance for just the tornadoes? 50 times more 10 times more 2 times more 5 times more

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?