The only values of coins that are available to Harold are 1¢, 5¢, 10¢, 25¢ and 50¢. Using the coins in his pocket he is able to make various totals, including 47¢ and 63¢, exactly a.) What is the smallest number of coins Harold could have. b.) How many different sets of this number of coins are possible?

The graph shows a trend in an ecosystem over time caused by increased pollution in the region. what can you conclude from the graph? a. there’s lower biodiversity among birds. b. there’s a higher reproductive rate among birds. c. there’s a significant decline in the number of producers. d. other types of animals were unaffected by pollution.

Which of the following is not a component of your high school transcripts? a. courses you have enrolled in for the current year b. courses you have completed c. your cumulative gpa d. varsity sports you have played

Ricks boss often appriciates him for his work.how is rocks boss affecting his proformence