An unknown number becomes 30 when rounded to the nearest ten. Which could NOT be the unknown number? A. 24
B. 25
C. 28
D. 31

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a. about 4 b. about 8 c. about 40 d. about 21

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Is it greater than or less than7*3_9*2