By first differentiating (√(1-x))/(√(1+x)) obtain an expression dy/dx in terms of x. hence show that the gradient of the normal to the curve at point (x, y) is (1+x)(√(1-x^2))

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

You are looking for your first credit card. you plan to use this credit card only for emergencies and to pay the credit card balance in full each month. which credit card feature is most important? a. no annual fee b. low apr c. generous rewards program d. no balance transfer fee select the best answer from the choices provided