Please help, very hard homework for me.

Find the value of each variable. Write decimal answers to the nearest tenth. 1. 20 \\20 -20 2. 22Find the value of each variable. Write decimal answers to the nearest tenth. 3. X Z 3 10 4. V 15 605. What type of triangle has side lengths of 10, 1 1, and 15? justify your answer. 6. Do side lengths given below form a right triangle? Justify your answer. 8. 12. 4m 7. A 46-meter fire truck ladder is leaning against a wall. Find the distance the ladder goes up the wall if it makes an angle of 52 with the ground. Round to the nearest tenth of a meter. 8. A 38-foot tree casts a 16-foot shadow. Find the angle of elevation from the end of the shadow to the sun to the nearest tenth of a degree.\fDrag an oval to- the correct answer. 11. Which expression CANNOT be used to nd BC? A. 7.8(sin 23) B. 7.8(cos7') C. 7-3(tan 23\") 0- ta:'.:, 12. The gure shows right ARST. Which are the listed 1values are equal to the sine of 5'? Circle all that apply. 5 t s A. E B. ; C. ; D. 0055 R E. cosT F. cos(90 S) G. sin(9{] T} 00000 000 7.3 12 13. A boat is 1000 meters from a cliff. [f the angle efdepressien from the top of the cliff to the beat is 15\Drag an oval to the correct answer. 15. A square has sides that are each 80 inches long. Which equations can he used to calculated at. the length of a diagonal of the square, in inches? 0 Circle all that apply. -1 _ _ O A. d2(B}(80) B. d 30 +30 :3. (1 49302) O D. cos45= E. sin+5= F. tan+5=% O O