The expanded form of a number is (6 × 1) + (2 × 0.1) + (7 × 0.01). how should the number be written in word form? six and twenty-seven six and twenty-seven tenths six and twenty-seven hundredths six and twenty-seven thousandths

What is the missing constant term in the perfect square that starts with x^2 -20x

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

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.