Maura writes an expression equivalent to 8a 2 (23 2 5a) 2 2a. Her work is shown below. 8a 2 (23 2 5a) 2 2a Step 1: 8a 1 3 2 5a 2 2a Step 2: (8a 2 5a 2 2a) 1 3 Step 3: (3a 2 2a) 1 3 Step 4: a 1 3 In what step does Maura make a mistake? Describe her error and find the correct equivalent expression.

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?