If m = -10 and n = -19, what is square root -2m + n?

Kevin has just finished paying off his loan. he was assessed a service charge of $422. he paid off the principal and the interest by making weekly payments of $36.13 for four years. if the principal was $7,150, how much did kevin pay in finance charges, to the nearest dollar? a. $498 b. $365 c. $422 d. $787

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base