Gallons of water in a swimming pool Is the variable qualitative or quantitative?

O A. The variable is quantitative because gallons is found by measuring or counting
OB. The variable is quantitative because gallons describes an attribute or characteristic.
O C. The variable is qualitative because gallons is found by measuring or counting
OD. The variable is qualitative because gallons describes an attribute or characteristic

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

How do i do this? i don’t understand

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.