Which equation represents an empty set? x2+4x+4=−y2 −15=−x2−y2−4x 1+x2−2x=−y2+8y−22 −21+x2+y2+4x=0

Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation