First set everything to 0.

Giving you A= 1 , B= 1 and C= -5
Then input everything into the quadratic formula and either solve by hand or use a calculator.
Note exact values are found by hand, decimals are found using a calculator.
199, it rounds to 200 because it's closer to 200 than 100. It is also closer to 200 than to 190. And finally, 1 + 9 + 9 = 19
Answer:
156 cm
Step-by-step explanation:
Answer:
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Step-by-step explanation:
a = a (true)
2 = 2 (true)
Answer:
so first u do (4-2) which is 2
then minus 18 from 2 which is 16
then u multiply by 2 which is 32
therefore the answer is 32