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

Karla has read 85% of her book, which amounts to 238 pages. how long is the book?

9 to the x power=3 to the 40th power Someone explain how?

5,342 round to hundred place value

How do u use the empirical rule

Solve the equation. x - 8 = 32

What is the name for the type of arranged monthly payment that is made from a savings or retirement fund so that the balance may continue to draw interest

Almost Pinejuice (y) costs one quarter as much as pineapple juice (p) does. What equation represents this statement? A) y = 4p B) y = p + 4 C) p = 1/4y D) y = 1/4p

Louis wants to carpet the rectangular floor of his basement. The basement has an area of 864 sq. Feet. The width of the basement is 2/3 its length What is the length of Louis's basement.

A radio station broadcast signal over an area with the radius of 50 miles. the station can relay the signal and broadcast over there with the radius is 75 miles. how much greater is the area of the broadcast region when the signal is relayed.

There are 126 seats in a meeting room. There are 9 seats filling up each row. There are 90 people seated, filling up full rows. How many rows are empty? Answer the question with steps or you will not get brainliest.