What is the reverse of "multiply by 4"? O A. subtract 4
O B. divide by
O C. add 4
O D. divide by 4

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

Write a description of each inequality. 1. -5a + 3 > 1 2. 27 - 2b < -6 (this < has a _ under it) 3. 1/2 (c + 1) > 5 (this > has a _ under it)