2x² + 7x + 4 What method will be use decomposition trial error or quadratic?

Plz tell me ASAP

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract

Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?