Askate shop owner ordered 60 skateboards from the manufacturer . out of the 60 boards that were ordered, 18 were longboard. he wants to know what percent of his order was longboards?

30%

Explanation:

if you put the numbers into a fraction 18/30 and then simplify you'd get 0.3, in school i learns to see decimals and percentages as "DP"  you would take the decimal place and move it twice to behind the letter "P" this action gives you 30%

a, c, & d are correct:

they wanted lands to settle the extra population.

they wanted new markets for english goods.

they wanted to avoid civil war.

b. the 200th birthday of the united states