What is the value of 3-(-2)

Aplane is flying at 32,500 feet. it needs to rise to 36,000 feet in two stages.• in stage 1, it rises 5% of its initial altitude of 32,500 feet.• in stage 2, it rises at a rate of 125 feet per minute. how many minutes does it take for the plane to rise during stage 2?

The weight of a rock sample is measured to be 2.5 ponds. what is the percent of error in the measurement?

Someone me and explain! will award brainliest!