Ms. grange bought 7 pounds of bird seed for the total cost of $5.25. what is the cost per pound?

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.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

100 points? me its important ‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️