Write the quadratic function in vertex form. y = x2 + 18x + 71

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

The half-life of a certain material is 0.004 second. approximately how much of a 20-gram sample will be left after 0.016 second? a. 5 grams b. 16 grams c. 0.32 gram d. 1.25 grams

One of the problems with our current election system is? ?