Which expression best represents the perimeter of this rectangle? [Recall that perimeter equals the total length of the sides.] A) L2W2 B) 2LW C) 4LW D) 2(LW) E) 2L + 2W

Adding and subtracting matricesfind the value of each variable. x = and y = would

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

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?