Amultiple choice test consists of 100 questions. a correct answer is worth 2 marks, while an incorrect is worth -1 marks. if a student receives a score of 80, how many questions did this student answer incorrectly?

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w

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