Last year, Charmaine had 30000 to invest. She invested some of it in an account that paid 7% simple interest per year, and she invested the rest in an account that paid 5% simple interest per year. After one year, she received a total of 1660 in interest. How much did she invest in each account?

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is

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Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)