Answer: a)
<u>Step-by-step explanation:</u>
Matrix multiplication is the sum of Row 1 (of first matrix) x Column 1 (of second matrix) ...repeat for each row.
Transpose means to switch the rows to columns.
Answer:
y = -6 PLEASE GIVE BRAINLIEST
Step-by-step explanation:
-15 - 9y = 39
39 + 15 = 54
-9y =54
y = 54 ÷ -9 = -6
y = -6
ASA
Hope I helped<3
3 hours
50+12h=86
-50 on both sides
12h=36
divide by 12 on both sides
h=3