On Tuesday, Arthur used two phone companies to make long distance calls. Using northern phone company for 16 minutes and southern for 8 minutes, he paid a total of $2.48. On Wednesday, he used northern for 14 minutes and southern for 11 minutes and paid a total of $2.69. What does each company charge per minute of use

Enter numbers to write 0.000328 0.000328 in scientific notation. 1 1 0.000328=3.28 × 0 . 000328 = 3 . 28 × =3.28×10 = 3 . 28 × 10

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p. mc) knowing that it is going to rain tomorrow, and going to bed before 9 p. md) knowing that you have a test in school tomorrow, and studying thw night before

Use the squared identities to simplify sin^2x cos^2x