Consider the following matrix a, and let b = a−1. find b31, b32, and b33. (i. e., find the entries in the third row of a−1.
a = 1 1 -2
-9 -1 0
-2 -1 2

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

When solving a logarithm equation, how do you find the missing variable ?

Masons cell phone company charges $0.12 for every text message he sends plus $2.50 per month if mason sent 25 messages this month how much money does he owe the one with the correct answer and explanation gets 10 points and is marked as the brainliest answer