Kim has a strong first serve; whenever it is good (that is, in) she wins the point 70% of the time. whenever her second serve is good, she wins the point 57% of the time. seventy percent of her first serves and 76% of her second serves are good. what is the probability that kim wins the point when she serves?

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

Which of the following transformations will always produce a congruent figure?

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /