Suppose that a random variable has a standard normal distribution. use a standard normal table such as this one to determine the probability that is between −1 and 0.67. give your answer in decimal form, precise to at least three decimal places.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

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?

40 points. given: two congruent angles ∠c and ∠r are supplementary. prove: ∠r and ∠c are both right angles. it doesn't have to be exactly 10 rows.statements reasons1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. 9. 9. 10. 10.