This scatter plot shows the relationship between the average number of correct problems on a test and the average number of hours students studied. School Average     19-20  85%   72%   The y-intercept of the estimated line of best fit is at (0, b).
a) Enter the approximate value of b.

b) the dogs need to shift their focus to human scent.

2.2°  

step-by-step explanation:

let θ = the angle of elevation.

tanθ =77/2020

tanθ = 0.038 12

      θ = tan⁻¹0.038 12

      θ = 2.2°

answer: input the dimensions of the room to be painted. click the button to calculate the amount of paint and man-hours needed for this job.

interior paint coverage depends on the brand of paint used. the coverage amount is listed on the label of the paint can. use this to adjust the values in the paint coverage section below. paint usually is applied at 350 to 400 square feet per gallon (primer at 200 to 300 square feet per gallon).

step-by-step explanation: