Apainter painted about half a room in half a day. coley estimated the painter would paint 7 rooms 7 days. is coley's estimate reasonable? explain.

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Use sigma notation to represent the following series for 9 terms.

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?