I going fail my math class if you don't help so HELPAND EXAPLAIN 3. find the G. C.F of 28x and 21y

4. rewrite each sum as a product of the gcf and new sum 28x+21y

5. rewrite each sum as a product of the gcf and new sum 3xy+ 15y

6. rewrite each sum as a product of the gcf and new sum 24m+8n-12pT

What is the product? (x2+3y+7) [yy+1)

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form