Answer:
22cm
Step-by-step explanation:
Circumference of a circle = 2πr
π = 22/7
r = 3.5
Circumference of a circle = 2 × (22/7) × 3.5
Circumference of a circle = 22cm.
Answer:
the two minus symbols cancel out making it positive 5
Step-by-step explanation:
Biannual and semiannual can be used interchangeably; they both mean “twice a year<span>.” But biennial describes something that occurs every two </span>years<span>.
</span>
Answer:
Runners that decrease times are not improving
Step-by-step explanation: