Stephen has discovered a blow-out sale at the music store in the mall. The cost of 3 sets of guitar strings, 2 guitars, and 2 amps is $472. The cost of 2 sets of guitar strings and 1 guitar is $322. The cost
of 4 sets of strings and 1 amp is $295. If x represents sets of guitar strings, y represents guitars, and z
represents amps, write a systems of equations can be used to determine the sale price of the sets of
strings, the guitars, and the amps?

Acabinmaker buys 3.5 liters of oat varnish the varnish cost $4.95 per liter what is the total cost of 3.5 liters

Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d?