The expression 21 + 0.5n describes the length in inches of a baby n months old. How long is the baby at 6 months

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

Which equation shows y= 3 4 x− 5 2 in standard form? a 4x−3y=10 b 3x−4y=10 c 3x−4y=−10 d 4x−3y=−10

Marking brainliest rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.