Kayla already owns 1 hair band, and additional hair bands priced at 1 for a dollar. how much money does kayla needs to spend on new hair bands in order to own a total of 50 hair bands?

$49 because she already has 1 so she she needs 49 more and they're each $1.

Step-by-step explanation:

the one that has a slope of 1/2 and is positive.

step-by-step explanation: 2 buckets 1 trip ; 4 buckets 2 trips and so on.

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°