Select the equivalent expression.
(6^-4•8^-7)^-9
Choose 1 answer

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest

Solve the triangle. a = 21°, c = 105°, c = 5

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false