Answer:
wave length = 30/6 = 5m
Step-by-step explanation:
wave travels 30m in one second.
wave completes 6 cycles in one second.
Catherine walks her dog 5.25 miles because there are 7 days in one week and 3/4 x 7 = 5.25
Answer:

Step-by-step explanation:


Simplify.
They are all perfect squares
(9x+2)(9x+20
(9x+2)^2
Ty=x 9
Malcolm=x+2 11
fred=2x+4 22
x+x+2+2x+4=42
4x+6=42
-6 -6
4x=36
36÷4
x=9