which expression represents the value, in dollars, of a certain number of quarters, q, and dimes, d?
0.35qd
0.35q + d
0.10q + 0.25d
0.25q + 0.10d

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

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

[tex]5 \times1 \frac{12}{13} [/tex] me