1.Solve for the unknown angle C.

A 470 6.4 m B X CX 14.3 ft 19 ft Thinkstocka.b.Use the following information to answer question 4. M 18 in h 340 210 G EUse the following information to answer question 5. Hank is a surveyor. He is calculating the height of the bank across a river where a bridge is to be built. Hank does not know the width of the river, but he does know that the angle of elevation to the far bank is 13. He walks 20 In along the riverbank and measures the angle to the base of the start of the bridge to be 36. Determine the height above the river of the far bank. (Lesson 3) A diagram of the above situation higher bank road coming up to bridge start of bridge lower bank location of surveyor directly across from start of bridge E A D B C9 feet 16 feetThe hill below has a grade of 5% and a run of 550 m. rise 550 mAlex bought a house for $225,000. Twelve years later, the house is worth $280,000. Alex's house appreciating in value is represented by the graph below. (Lesson 3) House Value 300,000 290,000 280,000 270,000 260,000 Value of House ($) 250,000 240,000 230,000 220,000 210,000 200,000 0 1 2 3 4 5 6 7 8 9 10 11 12 Time (Years)