What is the area in square millimeters of the triangle
on the origami figure?

NOTE(Base{b} multiplied by Height{h})

It costs 4.25 for 1 pound of roast beef. how much will it cost to purchase 2.5 pounds of roast beef? round to nearest cent

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²