Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator 0.30 cm to 0.42 cm​

If angle ywz = 17, what is angle wxy? ok so i'm confused on this because the triangles are congruent so that means they have the same measurement which would make wxy=17, but don't all triangles have total measures of 180 degress? ?me.

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

Find the nonpermissible replacement for binthis expression.b2/5b +5