After 5 years the simple interest earned on an investment of $3,000 was $645. find the interest rate. a) 4.4% b) 4.5% c) 4.3% d) 4.2%

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?