What is the vertex of f(x)2x2 plus 16x plus 9?

How does a geographer use math? How many seconds in a yaer? What geometric figure does not have right angles or angles measure larger than a right angle? Which book of the bible is known as the hymn book? Does zero divided by twelve equal twelve? What is a sentence with hundred in it? How many meters in 375 mm? What is a distinct integer? Can 3.1 be represented in binary? What is Psalm of praise? Where can you find stereocilia? Would a dog's order contain greater or fewer members than its class? What is the probability of getting electric shock? A cat weighs 7kg how much does it weigh in pounds? What is a Serial number on a dollar bill? What is the value of 4 in 64917? What problems did the elevator solve? What is 330 as the product of its prime number? How many gaj in one katha? What is the decimal form of 445 percent?