C, D, and E are points on a circle. CE = DE
The tangent at D is shown.
ACD and BCE are straight lines.
prove that y = 4x

In your working state the size of the following in terms of x with a valid reason next to each angle DEC, angle DCE and angle ACB.

Write 17/20 as a decimal and as a percent.

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.