Find two consecutive even integers such that five times the smaller integer is ten more than three times the larger integer

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?