The equation for the ph of a substance is PH equals negative log H +, where H + is the concentration of hydrogen ions. What is the approximate ph of a solution if the concentration of hydrogen ions is 5.1 × 10 to the power of negative for moles per liter

Find the nonpermissible replacement for binthis expression.b2/5b +5

What ia the sum if the first 7 terms of the geometric series

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?