Use the given info to complete the diagram. Justify the last two steps of the proof
Given: RS UT and RT US
Prove: ARST - AUTS
Statements
Reasons
1. RS, UT
1. Given
2. RT - US
2. Given
3. ST TS
3. ?
V
4. ARST-AUTS

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)