Poppy felix and alex sell 700 raffle tickets between them.
poppy sells twice as many tickets as felix.
alex sells 25 more than poppy.
how many tickets for each of them sell?

There are several unique characteristics of qualitative research that make it distinct from quantitative research. describe the aspects of qualitative research and the elements of design that contribute to the rigor of the work. what actions of the researcher can compromise the integrity of the findings?

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?