Evaluate 0.53n+5 when n=3 and when n=-3

If a • b*2 = 1.8 x 10*-7, and c•b/d = 7.2 x 10*-4, find the value of a•d*2/c*2

Jose bought 20 shares of netflix at the close price of $117.98. in a few years, jose sells all of his shares at $128.34. how much money did jose make? a.) $192.50 b.) $207.20 c.) $212.50 d.) $224.60

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10