What is the compatible number rounding for 345

The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?