If the word ends in silent e , drop the e and add the suffix, unless the final e is needed to preserve the sound of the preceding consonant (as in vengeance ). Select the two words that both end in the suffix -ence and follow the spelling rule above.

interference

condolence

occurrence

existence

conference

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits