8/10*8/21
= 64/210
= 32/105
45 km at 54 km/hr
45 / 54 = 5/6
It took him 5/6 of an hour or 50 minutes I believe
61.4117 km per hr
Answer:
x+75=180
x=180-75
x=105
Step-by-step explanation:
x and a are on a straight line
a straight line=180
so you add the x to a=180
Answer:
B i think let me solve
Step-by-step explanation:
I think you can solve it by
=(x^2 - y^2) *( x^2 + y^2)
= (x -y)*(x+y)*(x^2 + y^2)
