What two numbers multiply to -49 and add to +6

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

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