Help ASAP PLEAS Use the diagram to derive the law of cosines. Fill in the missing statements in the derivation.

1) a2 = h2 + x22) h2 =
3) c2 = h2 + (b − x)2
4) c2 = h2 +
5) c2 = a2 − x2 + b2 − 2bx + x26) c2 = a2 + b2
7) x = acosC
8) c2 = a2 + b22abcosC

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

In a sample of 200 residents of georgetown county, 120 reported they believed the county real estate taxes were too high. develop a 95 percent confidence interval for the proportion of residents who believe the tax rate is too high. (round your answers to 3 decimal places.) confidence interval for the proportion of residents is up to . would it be reasonable to conclude that the majority of the taxpayers feel that the taxes are too high?

Jorge planted flowers in his garden he planted one row of 12 tulips and one row of 36 daisies george's friend kylie has a garden with 75 flowers in it kylie's garden only contains tulips and daisies. is it possible for kylie‘s garden she have the same ratio of tulips to daisies as george's garden?