Find the standard form of -2y-82+9x^2=y^2

Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.