4.27 + 9.91
Round them to the nearest whole number.
4.27 ⇒ 4
9.91 ⇒ 10
Now you can add them up.
4 + 10 = 14
$27 / 4 = 6.75 dollars per hour
4 / 24 = 0.148 = 0.15 hours per dollar
Answer is A
Answer:
All three are yes
Step-by-step explanation:
4. yes
5.yes
6.yes
You want to be finding out what two factors (where one of them is a perfect square) has the produce of 63. It seems like 9 x 7 (9 is the perfect square) works.

The square root of 9 is 3 so we can just have

(which just means 3 times the square root of 7).