12, Which phrases can be represented by the algebraic expression ? Select three options.
W
O12 divided by a number
U the quotient of 12 and a number
Oanumber divided by 12
Oanumber divided into 12
O the product of 12 and a number

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Which one ? is the answer and how to find this answer

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.°