Combine like terms:
14.3m-6+m^2-5m+1
15.7x+4(2x-6)
16.b^2+3+2b^2+4-7
17.3(p+5)-8+11p

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?