An arch is in the shape of a parabola. It has a span of 240 meters and a maximum height of 40 meters. Find the equation of the parabola (assuming the origin is halfway between the arch's feet).
Determine the height of the arch 93 meters from the center.

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain

Which of the following are arithmetic sequences? check all that apply. a. 0.3, 0.6, 0.9, 1.2, 1.5, b. 2, 3, 6, 11, 18, c. 150, 147, 144, 142, d. 2, 4, 9, 16, 25,

Which of the following is true about the following construction of a tangent to a circle from a point outside of the circle?