Answer:
The correct answer is 8x^2+28x+20.
Step-by-step explanation:
(2x+5)(4x+4)
Multiply the first bracket with each element of second bracket:
=4x(2x+5)+4(2x+5)
=8x^2+20x+8x+20
Now solve the like terms:
=8x^2+28x+20
Thus the correct answer is 8x^2+28x+20....
Answer:
Step-by-step explanation:
the circumference of the circle, C=2*3.14*r
C=3.14*d
C=3.14*12=37.68
Answer:
-4z+4
Step-by-step explanation:
next time uses cymath
Answer:25
Step-by-step explanation: 2.5x10=25
Answer:15% increase
Subtract the two numbers which equals 850 then divide by 5600
Please correct me if I am wrong, I am a little rusty.