A classroom's length is 3m less than two times its width. The classroom has a length of 9m. Solve an equation to determine the width of the classroom.

Eric downloads the coupon shown and go shopping at gadgets galore where he buys a digital camera for $95 and an extra battery for $15.99

What is the probability of flipping a coin 10 times and getting heads four times Rania answer to the nearest 10th of a percent

What is the answer to 2 x - 3/5?

How do you solve this differential equation: 6y'+y*cosx=cosx

Which costs more, 8 printers at 145$ per printer or 3 laptops priced at 439$ per laptop? Explain.

Marcy bought 10.32 pounds of white potatoes and 12.48 pounds of sweet potatoes. About how many pounds of potatoes did Marcy buy? Round each weight to the nearest tenth to estimate the total weight of potatoes that Marcy bought.

Let X = {5, 10, 15, 20, 25, 30, 35, 40}. Define a relation on X as follows. For a, b is in X, a b if b can be obtained from a by adding a (possibly empty) collection of dimes (10 cents) and quarters (25 cents). So, for example, 25 35, but 25 30.

Lindell ran 5 kilometers in 25 minutes. How fast did he run in miles per hour?

If f (x) = x^2+9x and g (x) = 1/x, find f (g (-1)).

You roll a fair number cube Find each probability 1. P (3, then 5) 2. P2, then) 3. P. then odd)