126
A=(3*-1)-(2*0)= -3
B=(3*2)-(6*8)=-42
AB= (-3)*(-42)=126 :)
Answer:
-9
Step-by-step explanation:
-9+2-2=-9
Answer:
john drove for 3 hours at a rate of 50 miles per hour and for 2 hours at 60 miles per hour.
Step-by-step explanation:
First you need to know that the internal angles of a triangle always equals 180°. Therefore:
15+45= 90°
Then since the angles should equal 180, you do:
180-90=90
So the missing angle equals 90°