کرا 1
A ball is rolling on a flat surface. It is slowing down until it comes to a stop which graph model this situation

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account. write an expression to represent the total amount in his savings account.

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122