One-third of an orchestra's musicians play violin or viola and another one-quarter play cello or contrabass. What fraction of the orchestra's musicians play either violin, viola, cello, or contrabass?
answer please

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

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

What is the area of a triangle with a base of 7x and height of 8x expressed as a monomial? question 5 options: 1x 15x2 28x2 56x2