Answer:
Step-by-step explanation:
when a=-1/4
case 2.
both numerator and denominator are negative.
Your answer should be c ....................
Answer:
multiplication ( 36) use vertical column method
Step-by-step explanation:
253×41
Answer:
∠ BOC = 30°
Step-by-step explanation:
Given ∠ COF = 150°
∠ BOC + ∠ COF = 180° ( BF is a straight angle ) , that is
∠ BOC + 150° = 180° ( subtract 150° from both sides )
∠ BOC = 30°