Keiko has seven colors of lanyard. she uses three different colord to make a keychain. how many different combiantions can she choose?

Anabel uses 10 gallons of gas to drive 220 miles on the highway. if she travels at the same rate, how many miles can she drive on 7 gallons of gas

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.

G(x) = 2 sin(2x - π) + 4. using complete sentences, explain how to find the minimum value for the function.