It will be 5 cm and use 3.14 to multiply
Answer:
21/4
Step-by-step explanation:
4 1/2 is 9/2 is 18/4
18/4+3/4=21/4
<span>-28x²-12x = -4x(7x+3) the first one is answer</span>
(B) x = 40
Step-by-step explanation:
4x + 20 = 180
4x = 160
x = 40
The answer for number 16 is 20
