Express the complex number in trigonometric form. - 5i

a. 5 (cos 270° + i sin 270°)

b. 5 (cos 180° + i sin 180°)

c. 5 (cos 90° + i sin 90°)

d. 5 (cos 0° + i sin 0°)

Vertex of the graph of y=x^2+4x

F (x) = 7x - 13. Find f-1 (x).

A licensed nurse practitioner is instructed to give a patient 1500 milligrams of an antibiotic over a period of 48 hours.

On Wednesday afternoon Melanie worked 1 hour on science homework and 45 minutes on English homework. The rest of the afternoon, she worked on Math How much time did she spend on homework?

Katie bakes 40 pastries and makes coffee for 200 people. Write an algebraic expression to represent this situation.

Albertson's found that the demand for Coke products varies inversely as the price of the product. When the price of a Coke product is $2.75, the weekly demand is 1250. Find the weekly demand if the price is raised to $4.00.

What is 4 pints into quarts

5/8 of a number is 40. What is the number?

What is the absolute value of 67? What is the absolute value of - 34? What is the absolute value of 16? and What is the absolute value of - 75

candace tells you that she bought new boots using a 20% coupon and saved $28. What was the original price of the boots? use a tape diagram.