Carl is paid $10 plus $8 an hour. he was paid $66. how many hours did he work

Solve the equation by completing the square. x^2+2x=17

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square

Asap will give brainiest to first person to answer what is the measure of angle b in the triangle? enter your answer in the box.m∠b=