Consider the system ar + 4x2 = 21 2. use cramer's rule to find all values of a so that 1 + x2 = -1 the system has a unique solution, then solve for the unique solution in terms of a. simplify your answer. 2) (6 points) let a = [ 1 0 1 -2 2 -11 3 1 -1 0 use the adjoint formula to find a-1

Factor the monomial completely 42a3b3

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Which of the following values cannot be probabilities? 0.08, 5 divided by 3, startroot 2 endroot, negative 0.59, 1, 0, 1.44, 3 divided by 5 select all the values that cannot be probabilities. a. five thirds b. 1.44 c. 1 d. startroot 2 endroot e. three fifths f. 0.08 g. 0 h. negative 0.59