Which one is the right answer choice, please help

3 1/3 x 2 3/5 = 8 2/3

step-by-step explanation:

just multiply the first number by the second number to get your answer.

y=3n + 1

step-by-step explanation:

this is wrong because it says the second number is one less and i added one instead

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°

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.