Find a non zero vector in r4which is orthogonal
toeach of the vectors (1,1,1,-1), (2,1,1,1) and (1,2,0,1).

Jordan has $5.37, which he is using to buy ingredients to make salsa. he is buying one red pepper for $1.29 and three pounds of tomatoes. if jordan has exactly the right amount of money he needs, what is the price per pound of the tomatoes? choose the correct equation to represent this real-world problem. solve the equation and verify the reasonableness of your answer. a pound of tomatoes costs .

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c