The least common denominator of 5/6 and 2/3 is 18. true or false

When you answer this can you explain

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply