If u = -8i + 7j, what is the magnitude of -5u? Simplify any radicals.

Any greatly appreciated! you in advance. jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later she's sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions how much money did jody make? a.$65.00b.$5288.00c.$210.00d.$310.00

Select the quadratic that has root x = 8 and x = -5

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?