To reach the roof , how far away from the building should he place the base of the ladder? To repair a roof that is 12 feet off the ground, Mr. Albert leans a 17 foot ladder against the side of the building. Round your answer to the nearest hundredth.

in feet

What is the value of the expression below? (81^2)^1/8

The label on the car's antifreeze container claims to protect the car between ? 40°c and 125°c. to convert celsius temperature to fahrenheit temperature, the formula is c = 5 over 9 (f ? 32). write and solve the inequality to determine the fahrenheit temperature range at which this antifreeze protects the car. ? 40 > 5 over 9 (f ? 32) > 125; ? 40 > f > 257 ? 40 < 5 over 9 (f ? 32) < 125; ? 40 < f < 257 ? 40 < 5 over 9 (f ? 32); ? 40 < f 5 over 9 (f ? 32) < 125; f < 257

We just started the introduction into circles and i have no idea how to do this.