If I pay $250 to a moneylender for a loan of $2000 for 6 months, what is the rate of
interest per annum?

100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?