A coin contains 9 grams of nickle and 16 grams of copper, for a total weight if 25 grams. What percentage of metal in the coin is copper?

Rachel bought 7 cookies and 5 muffins. The equation 7c+5m=10.45 represents the amount of money she spent. Jack bought 3 cookies and 1 muffin. The equation 3c+m=3.05 represents how much he spent.

Daniel, ryan, and sam are friends. daniel is ryan's brother. ryan is sam's brother. sam is not daniel's brother. how is this possible?

Which sentence uses a common adjective? A. You're wearing Michelle's socks. B. Did you watch the Irish dancers? C. Tony put the dirty plates in the sink.

You throw a flying disc into the air. It hit a tree branch on its way up an comes to rest on a roof. It stays on the roof for a minute before the wind blows it back to the ground. Sketch a graph of the height of the object over time.

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Super Turbo Mega Double Double Extra Credit: The Earth's total diameter is 12700 kilometers, with the solidified, ocean-covered crust that is at its thickest 35 kilometers wide.

What number is 100000 more than 702083

For each year, the population of a forest of trees is represented by A (t) = 115 (1.025) ^t A (t) = 115 (1.025) t. In a neighboring forest, the population of the same type of tree is represented by the function LaTeX: B (t) = 82 (1.

33.52 is what percent of 8

Write an algebraic equation for the situation: Daniel is six inches shorter than Ernie, how y'all is Daniel