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

Jesse Stroh the coin in her bank she made 7 stacks of 6 diamonds and 8 stacks of 5 nickels she then found one diamond and 1 nickel how many dimes and nickels does Jesse have in all

1. Brian completed 34 free throws and missed 16. Using experimental probability, how many free throws is he predicted to complete in the next 100 tries?

Sylvia is saving to buy a new terrarium for her Iguana she saves $2 the first week 4$ the second week $8 the third week and so on how much total money will she save in five weeks

The shapes are quadrilaterals because they have

Find the difference 5/x^2-6x - 1/x^2-36

Read the statements below, and then pick the one that best applies to the function y=x^2 a. the domain only includes numbers greater than or equal to 0. b. the range only includes numbers greater than or equal to 0. c.

5 - 9 (8 - 2x) < 2x - 115

How big is the sun and how far is from the earth

My cousin lives in Hilo and sent me a box filled with 28 bags of my two favorite fruits, lychee and mango. Each bag weighs 1.5 pounds. She sent me a total of 42 pounds of fruit! How many bags of lychee do I have? How many bags of mango do I have?

Let a, b, c be the lengths of sides of a triangle; a=4.8, b=0.23, and c is a whole number. Find c.