The hardcover version of a book weighs 7 ounces while its paperback version weighs 5 ounces. forty-five copies of the book weigh a total of 249 ounces.

Is every rectangle is a parallelogram? true false

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.