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 do you write 36,985?

Twice a number is 12 more than five times the number

Andy is one-fourth as old as his grandfather, who is 76 years old. Write an equation to determine wheter Andy is 19 or 22?

4. Marcus uses software to graph f (x) = 3x + 2. Then he changes the function to f (x) = 3x - 2 and uses the software to graph the new function. Which of the following attributes of the function changes? F. domain G. y-intercept J. asymptote H.

In 4 hours, you hike 10 miles. Which unit rate describes your speed on the hike? . Solving Problems with Unit Rates - Item 20212

The fitness club opens with 80 members each month the membership Increases by 15 members which equation represents the relationship between the number of months the club has been opened eggs and the total fitness club membership

If a square plate has side lengths of 5 inches, what is the length of the diagonal to the nearest tenth of an inch?

3. Sarah's parents give her a $100.00 allowance at the beginning of each month. Sarah spends her allowance on comic books. The graph below represents the amount of money Sarah spent on comic books last month.

If x² + x² + x² = 6, what is x?

What fraction can be multiplied and equal 4/5