Replace ∗ with a monomial so that the derived equality will be an identity 4. ( * -9c)²=36a^4-108a²c+ *

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

Determine the relationship of ab and cd given the following points

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?