The sweet shop sells licorice at $9.40 per kg. How much would 250g of licorice cost?

Is the orthocenter of a triangle on the inside ?

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

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.