7,14,21,28,35,42,49,56,63,70,77,84
(x+5)(x-5) , You use difference of two squares to do this. Remember that if the sign in the equation was (+) then you wouldn’t be able to continue factoring. You can only factor equations like these if there is a subtraction sign.
Answer:
Option D. 23.4 pounds
Step-by-step explanation:
step 1
Find the pieces of glass for 22.5 pounds of copper in the sculpture.
using proportion

step 2
Find the pounds of bronze used in the sculpture
using proportion

Answer:
15 q4. + 7p2q2 is the correct answer