1. Given the polynomial below, which shows the
terms in standard form?
5m2n + 9n3 – mn2 + 2m3

A. 2m3 + 9n3 + 5m2n - mn2
B. 9n3 + 5m2n + 2m3 - mn2
C. 2m3 + 5m2n - mn2 + 9n3
D. 9n3 – mn2 + 5m2n + 2m3

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air