Sandy gave some marbles to her friend. She used the expression 9 + 15 x 2-31 to find out how many marbles she had left. How many marbles did she have left?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

Given: transversal t passed through parrallel lines r and s. prove: < 3 = < 6 < 4 = < 8what is the next step in the proof? choose the most logicsl approach

How to find the volume of an area and height