Achemist currently has a solution of 30% hydrochloric acid and a solution of 15% hydrochloric acid. he mixes the two solutions together to create 24 ounces of a 25% hydrochloric acid solution. how many ounces of the 30% hydrochloric acid solution did he use in order to obtain the 25% solution?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Astore ordered 750 candles a total wholesale cost of $7910.20. the soy candles cosy $12.17 each and thespecialty candles cost $9.58each. how many of each were bought?

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)