Which expression is not a polynomial?

A) 4x^-1 + 5x - 2

B) x - 5

C) 1/3x

D) x^3 + 4x + 3

(Also can you explain what a polynomial is?)

How do you do this problem 2/5+4a=-6/5 what does A = to?

Select all the expressions that are equivalent to the polynomial below. - 15x^2-29x-12 (-17x2 + 2x - 3) + (2x2 - 31x - 9) (5x2 - 10x + 8) - (10x2 + 19x + 20) - 2 (7x + 1) - 5 (3x2 + 3x + 2) - 2 (4x - 15) - 3 (5x2 + 7x + 6) (-19x2 - 4x - 7) + (4x2 +

The medians of a right triangle that are drawn from the vertices if the acute angles have lengths of 2 square root 13 and square root 73. Find the length of the hypotenuse

Fred begins walking toward johns house at 3 miles per hour. John leaves his house at the same time and walks towards Fred's house on the same path at a rate of 2 miles per hour.

The table below shows data from a survey about the amount of time, in hours, high school students spent reading and the amount of time spent watching videos each week (without reading): Reading Video 3 1 3 2 4 3 5 4 6 6 7 7 10 8 12 8 14 9 30 15

A car can travel 38 miles on each gallon of gasoline. At that rate, how many gallons of gasoline will it take to travel 190 miles? 2 5 20 50

A proportional relationship has a unit rate of 1.5/1. What is the constant of proportionality? Enter your answer in the box.

How do I write 88.691 as a mixed number?

Which of the following transformations will always produce a congruent figure? * A contraction B reflection C expansion D dilation

How many times does 3 fit in 50