a stretch of highway that is 12 1/4 km long has it has a speed limit sign every 7/8 of a kilometer how many speed limit signs are on this stretch of the highway

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

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

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?