Multiply. (2−5i)(3+i) Enter your answer, in standard form, in the box.
2 answers:
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Answer:
C
Step-by-step explanation:
Since Δ ABC is isosceles , then AB = AC and the base angles are congruent.
∠ ACB = =
= 65°
∠ ACB and ∠ BCE are adjacent angles and are supplementary, thus
∠ BCE = 180° - 65° = 115° → C
Answer:
Step-by-step explanation:
Add -1/3x to both sides.
Divide both sides by 1/4.
hope this helps