Determine whether the pair of fractions is equivalent. 3
and
15
2100
Choose the correct answer below.
0 The fractions are not equivalent.
O The fractions are equivalent.

Will give brainliest what is the value of x? enter your answer in the box.

The trigonometric ratios sine and secant are reciprocals of each other

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?