Es Playground Foot Could You Guys Help Me On Some SAT Questions? Please Give Complete Explanation. THanks.?

Could you guys help me on some SAT questions? Please give complete explanation. THanks.? - es playground foot

1. A playground is designed by a half-circles on both sides of a square with sides of length equal to f of each foot. The number of current meters of wire in the yard does not matter which of the following?
A. (2 other Py) F
B. (4 other Py) F
C. (1 of 2 Py) F
D. 2F + 2
E. 2 (F plus Py)
(A) is the correct answer.

2. At a speed of 36 degrees per second, how long it takes, a wheel radius of ten inches of roll 100PY customs?

3. 8 \\ \\ \\ \\ \\ \\ \\ \\ u0026lt; X u0026lt \\ \\ \\ \\ \\ \\ \\ \\, N = 12 x plus one
If the above equations are met, such as integer values of x squared is in integer values of N result?
A. 0
B. 1
C. 2
D. 3
E. 5

8. If a group is empty, it takes 6 hours to claim only with tap water is available. If the container is full, it takes ten hours empty. If the pool is empty and the drain is open, how long does it take to fill the pool with the key?
A. 3.75
B. 4 ho urs
C. 8 hours
D. 15 hours
E. 16 hours

What is the area of a triangle with verticesin (3.1) (7.4) (5.7)?