Choose the best definition for the following phrase: combining like terms (1 point)
O
A letter that holds the place for some unknown value in mathematics
Och A process where you must look for terms that have identical variable parts and then combine their coefficients
O
A process where if two things are equal, one can be put in the place of the other and nothing will change
O
Terms that have identical variable parts

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

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.°

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25