Serena has a summer job as a lifeguard at the neighborhood pool. she earns $240 a week. by rounding her weekly income to the nearest hundred dollars, find a reasonable estimate for her total income during the 11-week summer. a. $2000 b. $2200 c. $2640 d. $3300

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition

Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.