Answer:
7
Step-by-step explanation:
okay
Answer: 10 seconds
Step-by-step explanation: The time it takes is exactly double its swing. 5 times 2 = 10
Answer:
28.5 sq. meters
Step-by-step explanation:
6x3=18 + 6 x 2 divided by 2=6 + 3x3 divided by 2=4.5
=28.5
Answer:
361
Step-by-step explanation:
Multiply length x width to find area. 19 x 19 = 361
(-x^2+4)
x^2y^3-2y^3-2x^2+4=x^2-2x^2+4=
(-x^2+4)