Andrea is shopping for items for her pet sitting business because the store is having a sale where everything in the store is 5% off. andrea buys a cat carrier for $39.99 and a cat tower for $19.99. she has a coupon for an additional 15% off on the cat tower. before tax, andrea estimates that her total, after discounts, will be about $54. determine if andrea has estimated correctly.

Muscles, a membership-only gym is hoping to open a new branch in a small city in pennsylvania that currently has no fitness centers. according to their research approximately 12,600 residents live within driving distance of the gym. muscles sends out surveys to a sample of 300 randomly selected residents in this area (all of who respond) and finds that 40 residents say they would visit a gym if one was located in their area. based on the past survey research, muscles estimates that approximately 30% of these respondents would actually join the gym if they opened one in the area. based on this information and the results of the sample survey, about how many residents should muscles expect to join its new branch? a) 134 b) 504 c) 1,680 d) 3,780

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll