Verify that dv = ρ2 sinΦ d ρ d θ d Φwhen using spherical coordinate

Will give brainliest what is the value of x? enter your answer in the box.

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.°

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?