For the equation y-1 = (x + 6) the line contains the point (-6, 1) and has a slope of?
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If rt is greater than ba, which statement must be true ?

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.

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale