Answer:
9/20 = 0.45
Step-by-step explanation:

There is a formula for this. (see attached)
Time = 3 * 4 / (3+4)
Time = 12 / 7
Time = <span>
1.714286
</span>
Time = <span>
1.7 (rounded)
</span>
642+10= 652//////////////
Answer:
113.04
Step-by-step explanation:
The formula is pie × radius × radius pie=3.14 so 3.14 × 6 × 6 = 113.04
Answer:
180’ - 130’
Step-by-step explanation: