Answer:
150.72
Step-by-step explanation:
3² × 3.14 × 6 - 1² × 3.14 × 6 = (3² - 1²) × 3.14 × 6 = 150.72
Multiply both sides by -4/7
Answer:
5/8
Step-by-step explanation:
-1/4=-0.25
5/8=0.625
Answer:
30
Step-by-step explanation:
Formulate:
50%×60
0.5×60
= 30