Darla spent $120.37 on groceries in january, $108.45 in february, and $114.86 in march. what was the average monthly cost of darla’s groceries?

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x.which term can she add to the polynomial that would not change its grestest common factor? check all that apply

Is a positive integer raised to a negative power always positive

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days