(i have two questions in 1 cause i only have 800points)(the homework is estimating with 2-digit divisors)
marcy has 567 earmuffs in stock. if she can put 18 earmuffs on each shelf, about how many shelves does she need for all the earmuffs?
(question 2)howard pays $327 for one dozen collector's edition baseball cards. about how much does he pay for each baseball card?

Which expression shows the sum of the polynomials with like terms grouped together

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.

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.