A red wagon was originally priced at $25 but went on sale for %20 off. If Farid bought the red wagon and paid %15 sales in tax, how much did he pay in total?

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

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.