The chemical diacetyl is a natural flavoring that gives the taste of butter . A human can distinguish the butter flavor with 5 ppb (parts per billion).
One gallon is approximately 75,000 drops of water. How many gallons of
water are equivalent to one billion drops?
13,000
15,000
17,000
19,000

Avegetable garden and a surrounding path are shaped like a square together are 12 ft wide. the path is 1 feet wide. if one bag of gravel covers 8 square feet, how manu bags are needed to cover the path? round your answers to the nearest tenth.

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

The probability that a college student belongs to a health club is 0.3. the probability that a college student lives off-campus is 0.4. the probability that a college student belongs to a health club and lives off-campus is 0.12. find the probability that a college student belongs to a health club or lives off-campus. tip: p(a or b) = p(a) + p(b) - p(a and b) 0.54 0.58 0.70 0.82