Mike has 12 red marbles. he has twice as many blue marbles as red marbles and 3 times as many yellow marbles as red marbles. sandy said that mike has 72 marbles in all.

which statement is true?

a.
sandy is correct.

b.
sandy is not correct.
mike has 24 marbles in all.

c.
sandy is not correct.
mike has 36 marbles in all.

d.
sandy is not correct.
mike has 48 marbles in all.

Will give brainliest! 2017 amc 12a problem 24 quadrilateral [tex]abcd[/tex] is inscribed in circle [tex]o[/tex] and has side lengths [tex]ab=3, bc=2, cd=6[/tex], and [tex]da=8[/tex]. let [tex]x[/tex] and [tex]y[/tex] be points on [tex]\overline{bd}[/tex] such that [tex]\frac{dx}{bd} = \frac{1}{4}[/tex] and [tex]\frac{by}{bd} = \frac{11}{36}[/tex]. let [tex]e[/tex] be the intersection of line [tex]ax[/tex] and the line through [tex]y[/tex] parallel to [tex]\overline{ad}[/tex]. let [tex]f[/tex] be the intersection of line [tex]cx[/tex] and the line through [tex]e[/tex] parallel to [tex]\overline{ac}[/tex]. let [tex]g[/tex] be the point on circle [tex]o[/tex] other than [tex]c[/tex] that lies on line [tex]cx[/tex]. what is [tex]xf\cdot xg[/tex]? show all work!

Which expression is equivalent to sq-80

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar