The diagram below shows an aircraft spotted by two observers who are 1000 feet apart. As the airplane passes over, Observer A takes a sighting of their angle of elevation to the plane. Observer A's angle of elevation is 40o. Find the missing measurements indicated below. Round each answer to the nearest hundredth where applicable. Type angles as whole numbers. Length a=
Length b=
Length c=
Height of plane, h=
e o=
(round to the nearest whole number if applicable. NO DECIMALS)
f o=
(round to the nearest whole number if applicable . NO DECIMALS)
g o=
(round to the nearest whole number if applicable . NO DECIMALS)

Which expression is a factor of 12x2 + 29x – 8? x – 8 2x – 1 3x + 8 4x + 1

What is the value of the discrimination for the quadratic equation 0=×2+2+×2

Atest of sobriety involves measuring the subject's motor skills. a sample of 31 randomly selected sober subjects take the test and produce a mean score of 64.4 with a standard deviation of 2. a claim is made that the true mean score for all sober subjects is equal to 65. for each part below, enter only a numeric value in the answer box. for example, do not type "z =" or "t =" before your answers. round each of your answers to 3 places after the decimal point. (a) calculate the value of the test statistic used in this test. test statistic's value = (b) use your calculator to find the p-value of this test. p-value = (c) use your calculator to find the critical value(s) used to test this claim at the 0.2 significance level. if there are two critical values, then list them both with a comma between them. critical value(s) =