Jamil always throws loose change into a pencil holder on his desk and he takes it out every 2 weeks. this time it was nickels and dimes. there are 7 times as many dimes as nickels, and value of dimes is $5.85 more than the value of the nickels. how many nickels and dimes does jamil have? (how do i put this in a system of equations)

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

25 ! i need asap! ! ill mark brainliest!