2x+y=5;(7,5) Tell whether the ordered pair is a solution of the equation Just substitute a given X/Y
to see if the equation works right solution if it works and not solution if it doesn’t

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20

My final challenge question of the day! i have no tests, nothing to do this for, it is simply giving away free points for a you tube video! so 50 free points for answering the most simple question ever! here is the key to getting brainiest for this question. answer in under 50 seconds. you think you can do it. i think you can. here is the question: 1x2= i know! easiest question ever! and yes! if you answer this question, you will be on you so come on and get the free 50 while you can!

Sheila and her study partner flipped a coin 120 times. they flipped 70 heads and 50 tails. what is the experimental probability that the next flip will be heads up?