Which r-value suggests a weak negative correlation? A. r = 0.1847 B. r = −0.1847 C. r = 0.9816 D. r = −0.9816

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

How do you determine if an ordered pair is a solution to a given equation?