Stefanie swam four-fifths of a lap in the morning and seven-fifteenths of a lap in the evening. What fraction of a lap did Stefanie swim the entire day?

Is appreciated! graph the functions and approximate an x-value in which the exponential function surpasses the polynomial function. f(x) = 4^xg(x) = 4x^2options: x = -1x = 0x = 1x = 2

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315