Estimate the radius of a circle with a circumference of 92 ft. round your answer to the nearest tenth.
29.3 ft
10.8 ft
14.6 ft
5.4 ft

1. what is the measure of ∠abc? what is the measure of ∠abd?

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

How do you solve a question like this?