If A is the 2 × 2 matrix given by A = a b c d and if ad − bc ≠ 0, the inverse is given by A−1 = 1 ad − bc d −b −c a . Use the formula above to find the inverse of the 2 × 2 matrix (if it exists). (If an answer does not exist, enter DNE in any single blank.)

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

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm

Sioux co. replaced the roof on its existing building, therefore increasing the building's life by 10 years. the cost of the roof is considered a(n):