On a recent 160 mile road trip. clara's car used 71/4 gallons of gas. how many gallons should she expect to use on a 250 mile road trip

Find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

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.