Kendra has $ 9.90 in dimes and quarters. if she has 4 times as many quarters as dimes, how many of each coin does she have?

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

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 center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)