URGENT. The president figured out that if the student council does not pay off the loan by the end of the school year, it would owe $1500. How many weeks of school are left?​

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

Kathleen's gross annual salary is $56,820. what is the maximum amount of rent she can afford to pay? round your answer to the nearest dollar. question 1 options: $1146 $1326 $1656 $2368

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2