Give the exponent, base, numerical coefficient and literal coefficient. 1. 12x⁵
2. –3x²+7
3. -X³+ 7
4. 10a + b
5. 9a⁷ + 5b
6. -xyz +5
7. -2r⁴t + 6rt²
8. 40 - x³y²
9. 24km³-k²
10. (-2)⁰-3x​²

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap