Which algebraic expression is a polynomial with a degree of 5? O 3x3 + 8x*y - 9x17 - 6y3
0 2xy + 4x y - xy - 7x"
0 8y8 + - 5xy + 7x+y - Xy- 6x4
0 -6xys + 5x2y3 -XY + 2xy - 3xy

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

In an equilateral triangle, each angle is represented by 5y+3. what is the value of y? a. 9.7 b. 10.8 c. 11.4 d. 7.2