Agardener combines x fluid oz od a 20 % liquid fertilizer and 80 % water mix with y fluid oz of a 5 % liquid fertilizer and 95 % water mix to make 30 fluid oz of a 10 % fertilizer and 90 % water mix. write and solve the system of linear equations-

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?