Answer:
49π
Step-by-step explanation:
πr^2
π*7^2
49π
Answer:
x≈3.35, or the square root of 11.
Step-by-step explanation:
Use the pythagorian therom. 3²+1.5²=x²
(Half of 3 is 1.5 and the line splits it in half)
3 marbles as there is only one green and there is three other blue marbles left and that answer is incorrect
2+2=4
a^2+b^2=c^2
15^2-4^2
=225-16
=209
Answer: 2a - 7
<u>Step-by-step explanation:</u>
Ana: a
Mrs Vargas: 4a - 4
Leo: 2a + 3
Mrs Vargas - Leo
= (4a - 4) - (2a + 3)
= 4a - 4 -2a - 3
= 2a - 7
