10) The tables represent some points on the graphs of lines r and s. Which system of equations is represented by lines rand s? A) 4x + 3y = -12
2x - 5y = 10
B) - 4x + 3y = 12
2x - 5y = -10
C) 4x - 3y = -12
- 2x - 5y = 10
D) --4x - 3y = -12
- 2x + 5y - 10

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

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase

Why is studying fractions important