Solve for R: (1/R) = (1/r) + (1/r)

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Estimate the sum of 54,249 + 378,819 by first rounding each number to the nearest ten thousand. A. 450,000 B. 440,000 C. 435,000 D. 430,000

What is the value 12-6• (5-3) - 60

A yard is equal in length to three feet the function F (y) takes a measurement in yards (as input) and returns a measurement in feet (as output) if the output is 30 what was the input number

Create a scale drawing of the original drawing using a horizontal scale factor of 80% any vertical scale factor of 175%. Write a numerically equation to find what the horizontal and vertical distances.

30 pounds of wood and 3/5 of an hour how can you find rate in pounds per hour

Ryan had a whole pizza. He ate one eiightth of pizza for lunch and anther 25% of pizza dinner. What fraction of the pizza has Ryan NOT eaten

8 more than 5 times a number is - 27

Is 0.3333 a rational number and why

Suppose the linear regression line y=-0.3x + 11.2 predicts the time, in minutes, it takes you to finish an obstacle course after training for x days. About how much time would it take you to finish the course after training for 7 days? O A. 78.

Alex knows 18% of the students surveyed at his school are dropped off by car, while 22% walk or ride bikes, and the rest ride the bus. Which table could represent this information?