Which of the following is true about scalar and vector quantities? 1. Scalars take into account direction, while vector do not 2. Vectors take into account direction, while scalar do not 3. Scalars take into account both magnitude and direction 4. Vectors only take magnitude into consideration

Which expression is equivalent to -5(3x - 6/7)

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.°

Ineed the answers for this one as well!