How many liters each of a 35% acid solution and a 85% acid solution must be used to produce 80 liters of a 40% acid solution? (Round to two decimal places if necessary.

What is the prime factorization of 23 ?me with this question

In angle pqr find the measure of

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the