Sophie needs to know the area of her backyard. the backyard is shaped like a parallelogram with a base that measures 24 m and a height of 18 m. what is the area of sophie's backyard?

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If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

Bob paid $3 less than tim at a local pizza parlor. together they spent $7.80. how much did bob pay for pizza?