What is the value of the expression shown below?
2 over 3 to the power of 2 + 5 × 2 − 4
6 and 8 over 9
6 and 4 over 9
6 and 2 over 3
6 and 1 over 3

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be bale to prepare using the sauce?

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5