What is the simple interest earned on $1,200 at 3.5% for five years?

a. $180.00

b. $210.00

c. $318.00

d. $201.00

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

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?

The area of square garden is 300m squared. how long is the diagonal?