Which of these two students wrote an expression that is equivalent to ms. olsens expression? 3(4a+2b+2c)+2(a+c)

jake wrote 14a+5b+4c
olivia wrote 2(7a+3b+4c)

The longer leg of a 30-60-90 trangle is 18

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?

You work for a landscape company that just got a contract to re-mulch a park. the area that needs mulching is 30 feet by 60 feet. they want a 3 inch layer of much on the area. the company has bags of mulch that cover 2 cubic yards that cost $4.00 per bag. how much will it cost the consumer just in materials to re-mulch the area (round to the nearest dollar)?