Find the angle between each of the following pairs of vectors A⃗ = Axi^+Ayj^ and B⃗ = Bxi^+Byj^ ... Ax1 = - 3.20, Ay1 = 4.40; Bx1 = 2.70, By1 = - 3.10. i know this is dot prodoct but the calculater just keep saying error

There are 8 students on a minibus. 5 of the students are boys. What fraction of the students are boys?

Each student at a particular school participated in at least one type of activity-sports or music. 50 students participate in both sports and music. 200 students participate in sports. 50 students participate in music only.

Choose the correct simplification of the expression 2 b over c all to the power of 3.

Nathans drive to and from work each day is about 45 miles if he goes to work 226 days in a given year what is the minimal amount you would have to pay an access mileage if you lease from the ABC leasing company with a monthly payment of 463 and a

How many inches is in a book case

For a convex 19-gon, what is the sum of the measures of the interior angles?

What is the y-intercept of the line given by the equation y = 8x + 75? А. (0, - 8) В. (0, 75) с. (0, - 75) D. (0, 8)

Refer to the accompanying technology display. the probabilities were obtained by entering the values of n equals 5 and p equals 0.774. in a clinical test of a drug, 77.4 % of the subjects treated with 10 mg of the drug experienced headaches.

1) Given the data set (200, 150, 325, 350, 100, 75), Find the mean of the data set. 2) Given the data set (200, 150, 325, 350, 100, 75), Find the median of the data set.

Does 1 and 1/4 = 4 divided by 5