How did you come up with the answer to a pre-algbra book is 8 1/2 inches by 9 1/4 inches. determine the perimeter of the textbook

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point