Find the degree of the monomial 23x^4

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?