Substitution of 2x-3y=-5 and -4x+6y=10

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?

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.