Answer:
x^2+12x+36=1+36
Step-by-step explanation:
you divide the 12 by 2 which is 6 and then square it (36)
speed is 45 miles per hour. 135/45=3, so the answer is 3hours (A)

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7 yellow, 5 green, 3 blue...total of 15
P(yellow party hat) = 7/15
do not replace
P(yellow hat) = 6/14
P(both) = 7/15 * 6/14 = 42/210 which reduces to 1/5 or 0.2 or 20%