Luke wants to send 21 parcels by the Express service. He does the calculation 20 ~ £15 = £300 to estimate the cost.
b) Will Luke's estimate be A an overestimate
or B an underestimate?

For what is the measure of the angle at the top of the shed? a. multiplication of areas b. squaring of areas c. addition of areas d. division of areas

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

Are the corresponding angles congruent? explain why or why not.