Wahts 2+2 i math no my mom siad i nca og on this webiste to loko orf hepl (free 50 points and brainliest if answers)

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics