Answer:
4 hours. 1 3/4 is about 2, and 2 1/4 rounds to 2. 1/4 would round to 0, but it would not affect the estimate's accuracy much because we rounded up by 1/4 on 1 3/4 already. Philipe spent about 4 hours on activities.
Step-by-step explanation:
Answer:
it is 123 degrees
Step-by-step explanation:
Answer:
7 monkeys
Step-by-step explanation:
You will have to take 3x common from both terms and your ans should look like this,
3x(9x^2-4)