To calculate percentage, we turn the percentage into a decimal.
30% of 30 = 0.3 of 30 = 0.3 x 10
0.3 x 10 = 3
3 students play in the school band.
Complementary angles add up to 90°
∠BDC + ∠CDA = 90°
Answer: ∠BDC
Answer:
x= −2 or x=3
Step-by-step explanation:
