Aperson owns two shops. this year the telephone bill for the first job was $640 less than four times a telephone bill for the second shop. the total telephone expense for both shops was $3720. what was the cost of each shops telephone service for the year?

Which of the following represents the factorization of the trinomial below? x^2+7x-30

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.°

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8