Ben's living room is a rectangle measuring 10 yards by 168 inches. by how many feet does the length of the room exceed the width?

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).