Some dog owners use a whistle in training that emits a very high-pitched noise that only dogs are able to hear. Is the dog whistle manipulating amplitude or frequency?

prolly a beacuse the momentuem the car has increases while going down hill

you go to your settings preference and in the end youll see sth that says "i want to delete my acc" click on it and u'll acc will be deleted but u have to wait.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2