The width of a rectangle measures (4.4t – 7.1u) centimeters, and its length measures (2.3t 2.5u) centimeters. Which expression represents the perimeter, in
centimeters, of the rectangle?

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours