At a perfume factory, fragrance designers are making green blossom perfume by mixing new grass fragrance with 3/4 times as much apple blossom fragrance will they need to make 1 liter of green blossom perfume?

What statement is true? 2x^2-9x+2=-1

Ineed to know the answer to this algebra question.

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%