I think it is d I am not sure but i guess it's D
Answer: x=35 and y=72.5
Step-by-step explanation:
Everything os 360, so x is 35 because it los like it has the same measure as the another 35, so if you substract 70 360=290 and 290/4 = 72.5
<em>CA </em>⁻¹ is undefined because there are more columns in <em>A </em>⁻¹ than there are rows in <em>C</em>.
||a|| is called the norm of a. The answer is square root of 58. Hope it helps
Answer:
x = 19/7 , y= -27/14
Step-by-step explanation: