1. If = , = 15, = 15 = 25, . 2. If = 25, = 35, = 30 = 4 − 6, .

3. If ∠ = 30

, ℎ ∠ .

4. If ∠ = 60 ∠ = 5 + 10, ∠ .

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Apackage of bacon holds 15 strips of bacon. the pancake house uses 17 packages of bacon in the morning and 21 packages in the afternoon. how many more strips were used in the afternoon than the morning?

Nine more than four times a number is the same as one less than twice the number. find the number?

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?