Estimate the sum.

7Eight-ninths + 3.1

5
8
11
16

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?