C
substitute a = - 1 into the expression
- (- 1) - 12(- 1)² = 1 - (12 × 1 ) = 1 - 12 = - 11 → C
Answer:
b=5√3, c=10
Step-by-step explanation:
30-60-90 triangle
c=2a
b=a√3
Answer:
15.5t=18(t-0.5) is the correct answer
Step-by-step explanation:
if the first boat travels t time then the second traveld t-0.5 time to take over
Answer:
Step-by-step explanation:
hello :
(4a) × (3b) =12ab