Toni and makayla are working on a craft project. makayla has 3 yards of ribbon and toni has 4 yards of ribbon. they cut all thr ribbon into pieces that are 1/4 yard long. how many pieces of ribbon do they have? 100 pointsfirst gets brainliest.

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

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

Evaluate the function , when d = {9, 15, 30}. r = {5, 7, 12} r = {6, 10, 15} r = {6, 10, 20} r = {5, 12, 20}