Acyclist travels 2/3 of his journey at the average speed of 12 miles per hour. he then travels the remaining 30 miles of his journey in 3 hours. how long does it take?

F(x)=x^3+4 question 6 options: the parent function is shifted up 4 units the parent function is shifted down 4 units the parent function is shifted left 4 units the parent function is shifted right 4 units

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

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.