On a scale drawning 1/4 inchs represents 1 foot how long would the line be to represent 3 1/2 feet

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?