Determine the degree of the polynomial.-5x2 + 8x3 + x - 9

A. 2
B. 8
C. -5
D. 3


Answer: D

Mathematics

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Find the equation in standard form of an ellipse centered at the origin that passes through the given points.(4, 6), (4, -10), (7, -2), (1, -2)

A.  +   = 1
B.  +   = 1
C.  +   = 1
D.  +   = 1

Mathematics

Find the hydrogen ion concentration of a saturated solution of calcium hydroxide whose pH is 10.1. ? Please give the answer in the form  where a is rounded to the nearest hundredth without the units.

What will be an ideal response?

Mathematics

A baseball team plays in a stadium that holds 56,000 spectators. With ticket prices at $9, the average attendance had been 32,000. When ticket prices were lowered to $8, the average attendance rose to 36,000. How should ticket prices be set to maximize revenue? Assume the demand function is linear

What will be an ideal response?

Mathematics

The educational attainment of a country population age 25 years or older in 2007 is shown in the circle graph. Use the fact that the population of people 25 years or older was approximately 8.0 million in 2007 and let 

variablename="impvar_b99bfc4897144ebc885cf29d9" /> and . Find the probability that a person 25 years or older selected at random has earned a Bachelor's degree or higher.
?

?

A. 0.294
B. 1.294
C. 4.294
D. 2.294
E. 3.294

Mathematics