*50 POINTS QUESTION*
I JUST NEED QUESTION 5 WILL MARK BRAINLIEST IS WORTH 50 POINTS

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Qrst is a parallelogram. determine the measure of ∠q pls

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.