One kilometre is about 0.62 miles. It is 12 kilometres from Noah's house to the ice skating rink. About how many miles is it from Noah's house to the ice
skating rink?

u'll get extra points if u answer guys

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Acircle has a circumference of 28.36 units what is the diameter of the circle

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.