Evaluate each expression when a=3 and b=8. order the results from least to greatest.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

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.

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.