In January, a bookstore sells 450 books, but in February, it sells only 300 books. What is the percent of change from January to February?

66.7%

-33.3%

50%

-50%

What is the mean of the following numbers: 5, 7, 4, 4, 5, 4, 6? 35 5 4 6

Wat is the ratio of 7 to 21

Gia's house is located 24 kilometers southeast of the library. Her school is located 7 kilometers southwest of the library and 25 kilometers due west of her house. Which statement is true? A.

Which number is a factor of 22 but not multiple of 2?

What is 5,370,288 rounded to the nearest 100,000

A diver is 5 feet above the surface of a pool. If his position can be recorded as 5 feet, what would the position of 0 represent? 5 feet in the pool 5 feet above the water On the surface of the pool At the bottom of the pool

In the two-digit integers 3◻ and 2△, the symbols ◻ and △ represent different digits, and the product (3◻) (2△) is equal to 864. what digit does ◻represent?

the measure of angle D is five times the measure of angle e the two angles are supplementary find the measure of each angle

Mr. Johnson sells erasers for $3 each. He sold 96 erasers last week and he sold 204 erasers this week. About how much more money did he make this week?

If 6t-3=-177 what is the value of the variable