How many inches will the weight in the figure rise if the pulley is rotated through an angle of 73° 40’

Solve 2x+y=3 x+y=5 in substitution method

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?