For what value of x is the rational expression below undifined x-4/4+x

A ball-shaped like a sphere has a radius of 2.7 cm. Which measurement is closest to the volume of the ball in cubic cm? and tell explanation of the answer.

Nancy, Marcus, and Ken shared $364 among themselves. Marcus received 4 times as much as Ken. Nancy received twice as much money as Marcus. How much money did Marcus receive?

A hiker was walking on a mountainous trail. The hiker began at an elevation of 450 feet above sea level, and then ascended 120 feet toward the top of the mountain. What was the hikers new position?

The length of an angle is the reaction of the opposite leg length to the hypotenuse length

What is the solution to this system of linear equations? x + y = 4 x - y = 6

How many minutes will it take for the average resting heart to beat 1,000,000 times?

Find the surface area of the present. square : 15cm width and 15cm length

Find log 47.2 to four decimal places.

Write 11 times 47 using the distributive property. Then simplify.

Ellen Stephan and Blake discussed their test marks. stephan said that he answered 21 out of 25 questions correctly. Ellen said 0.8 questions correct. Blake claimed to be 80 % accurate