There are twice as many dimes as there are quarters, and twice as many nickels as there are dimes. the total amount of money is $2.60. how many quarters, dimes, and nickels are there?

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

Which expression shows the sum of the polynomials with like terms grouped together

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол