If x^2=4 then can x only be equal to 2?

(geometry) true or false?

What are the domain and range of f(x)=[1/5]x

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Which of the following could be the ratio of the length of the longer leg 30-60-90 triangle to the length of its hypotenuse? check all that apply. a. 313 6 b. 3: 215 c. 18: 13 d. 1: 13 e. 13: 2 of. 3: 15