To solve the problem. A Jar contains n nickels and d dimes. There are 22 coins in the jar, and the total value of the coins is $1.40. How many nickels and how many dimes are in the jar?

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.

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

The suare root of 9x plus 7 plus the square rot of 2x equall to 7