Avaries jointly as b and c. find when b = 7 and c = 9, if the constant is the variation is 3. a) 189 b) 7/3 c) 21

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.