To make purple paint, mya mixed 2/5 cup of red paint with 5/8 cup of blue paint. she wants to make a larger batch of the purple paint. how much red paint is needed to mix one cup of blue paint?
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What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle.what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle.what is the measure of angle a? enter your answer in the box.m∠a= 3.)quadrilateral abcd is inscribed in this circle.what is the measure of angle b? enter your answer in the box.m∠b= °4.)quadrilateral abcd is inscribed in this circle.what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle.what is the measure of angle c? enter your answer in the box.°

I’m really confused and need to learn this