Simplify the expression (square root 3+i) (square root 3-i) and write the result in the form a+bi

a. 2

b. 2i

c. square root 3+i

d. 4

The circumference of a circle is 56.52 meters. What is the radius of the circle? 28.26 m 9 m 18 m 4.5 m

cos (x/5) sin (x/5) = 1/2[sin (2x/5) ] A. True B. False ... ?

Juliet sold a house for $112,000. What percent commision did she recieve if she earned $6,720?

A restaurant is making a large amount of salad dressing. The recipe uses 15 ounces of vinegar and 54 ounces of oil. What is the ratio of oil to vinegar in the salad dressing?

Which inverse trigonometric function will NOT determine the measurement of angle A? sin-1 (0.6) cos-1 (1.25) tan-1 (0.75)

Indicate which of the following choices best identifies the hypothesis test. The league mean batting average is 0.280 with a known standard deviation of 0.06. The Rattlers and the Vikings belong to the league.

What is seven over twenty one take away one over twenty one in its simplest form

Choose the polynomial written in standard form. x^2y^2 + 4x^4y + 10x^6 x^4y^2 + 4x^3y^5 + 10x x^7y^2 + 4x^3y + 10x^3 x^6y^2 + 4x^3y^8 + 10x^2

900 is 1/10 of 9000?

Paul was asked to use the elmination to find the solution to the system of linear equations 5x + 4y = 1 -2x - 8y = - 26 What are the missing steps in his work below