There are a total of 63 bikes if the ratio of blue bikes to black bikes is 4 to 5 how many of the bikes are blue
you

28 are blue

Explanation: 4 + 5 would give you 9 and then divide 63 by 9 it give you 7 and then 7 times 4 gives you 28

(e) a major consequence of the election was that several southern states

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b