40mph average there totaling 3 hours, 60mph back, totaling 2 hours. 5 hours total.
Answer:right I was just look for the same thing when I tried to work it
Step-by-step explanation:
Answer:
the ratio of red 2/10
easy I think it's not hard
there is tow red balls and 8 blue balls
4/105 In total there are 2+4+1+8=15 The probability of taking a blue is number of blue divided by number of total, so that would be 4/15. Since, it is not replaced, we can now say that there are 1 less marbles in the bag (since we took out a blue). Now probability of getting a green marble is:2/14=1/7
Answer:
hello :
a^4
Step-by-step explanation:
a^3*a^-4*a^5 = a^(3 - 4 +5) = a^4
