Find the product. (3p – 7)(3p + 7)
a. 9p^2 + 49
b. 9p^2 – 42p – 49
c. 9p^2 + 42p + 49
d. 9p^2 – 49

What is not true about kl and mn? what is mn? (show your work)

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss