Solve the system of equations by substitution.

-8x+2y=4
y=4x+2

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?