The vector <-1, 4> is first dilated by a factor of 2.5 and then rotated by Pi/2 radians.
If the resulting vector is(a/b) , then a = and b = .

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points