What is the solution to this system of equations? 3.2x+0.5y=4.2 -1.6x-0.5=3.4 ? a. (4.75, 38.8) b. (4.75, -22) c. no solution d. infinitely many solutions

What is the size of the matrix resulting from

Find the multiplicative inverse of 8-12i

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth