Dave Forgot hid homework 56.7 minutes ago and davin hid his 78.4 who hid his longer lol easy problem

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

How many solutions does the system of equations have x-2y=6 and 3x-6y=18

You are painting the outside of a 28-foot fence that goes around a square garden. There are 4 equal sections. You have painted 12 of one section. What fraction of the job have you completed?

A jersey is on sale for 50% off the original price. A week later, the manager takes another 50% off. Is the jersey now free.

If y=4x 5, find the value of y when x=0

Param needs 375 g of chocolate chips for one batch of cookies. He has two 2-kg bags of chocolate chips. Does Param have enough chocolate chips to make 12 batches of cookies? Explain. * keep in mind there are 1000 grams in 1 kilogram.

Is 89 a prime number

What+8,477.6=10,248 what+0.07=0.1

Farmer Joe has a rectangular pasture that is fenced in for his cattle. He bought some horses and wants to cut the pasture in half diagonally from corner to corner.

Y=sinx^cosx cosx^sinx dy/dx=?