Roxanne has $3,000 that she plans to invest into an account that earns 7% simple interest. Assuming she makes no additional deposits or withdrawals, how much interest will Roxanne earn after 15 years? *

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.

The base of a rectangular pyramid is 13 inches long and 12 inches wide. the height of the pyramid is 8 inches. what is the volume of the pyramid

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2