The matrix below represents a system of equations. 2
1
1
4
-3
2
-1
-8
1
-1
1
5
Which matrix represents the solution to this system of equations?

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.

Rewrite so the subject can be y in the formula d=m-y/y+n

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?