eighteen 2.5 gallon buckets are needed to fill a cistern with water. How many 3-gallon bucket of water fill the cistern.

What is the length of the unknown leg in the right triangle ?

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab

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)