If a pendulum 20 cm long swings to an angel of 30 degrees from its center on each side the find the length of the arc from a to b (justify)

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96

Which function has an inverse function? a. f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²