A boy has d dollars. he buys n notebooks at c dollars each. How many dollars does he have left? How do i write this as an algebraic expression?

The average heart rate of a cat is 1/3 that of a hamsters heart rate. The average heart rate of a cat is 150 beats per minute. what os the average heart rate of a hamster

The total cost is $43.25. He had to pay $7 fee along with the 1.25 per minute on swing

Marisol is painting on a piece of canvas that has an area of 180 square inches. The length of the painting is 1 1/4 times the width. What are the dimensions of the painting?

The manufacturing cost of a cell phone was $124. Sellers first marked up the cost by 20 percent. Sales were poor, so sellers decreased the markup to 15 percent. Calculate the old and new selling prices.

46% of 18.5 is what number

Twice the difference of a number and 3 is equal to three times the sum of the number and 3. Find the number.

Joyce went to Lowes to buy carpeting. She will need 88.4 sq. yards for downstairs, 15.1 sq. yards for the halls, and 177.18 sq. yards for the upstairs bedrooms. She chose a commercial carpet that costs $18.11 per sq. yard.

Insert five numbers between 1/27 and 27 to form a geometric sequence. there are 2 answers

A bag contains 3 red marbles, 4 black marbles, and 5 yellow marbles. what are the chances of picking a marble that is not black

To travel the erie canal a boat must go through locks that raise or lower the boat traveling east a boat would have tk be lowered 12 feet at asterdam 11 feet at tribes hill and 8 feet at randall by how much does the elvation of the boat change