Roberto has eight coins that are all dimes or nickels. They are worth $0.50. How many dimes and how many nickels does Roberto have? Equation 1:. Equation 2: solution:

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How would you find the height of points on the circle? the topic is trigonometry.

Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?

Edith is shopping for a new leather couch. jordan’s furniture has one that costs $3,000. however, this weekend she can get a 15% discount. how much money will edith save if she buys the couch this weekend? a $15b $2,550c $45,000d $450