Edgar used 10 x d to represent the number of pennies in d dollars. Is this reasonable?

3x + 4x + 7y + 5z = 4x + 55y Simplify the equation.

Area of ceiling is 256square feet what is the length of wooded border that I will need to completely surround the square ceiling

A circular rug has a radius of 4.5 feet. What is the circumference of the rug? Use 3.14

Max receives an allowance of 5$ every two weeks how much money will have from his allowance after 10 weeks?

What's the answer for 9p+q-6p-q=

Kari is flying a kite. She releases 50 feet of string. What is the approximate difference in the height of the kite when the string makes a 25° angle with the ground and when the string makes a 45° angle with the ground? Round to the nearest tenth.

On Saturday, Mark sold gallons of lemonade. On the same day, Regan sold as much lemonade as Mark. How much lemonade, in gallons, did Regan sell?

What is the common denominator of 3/14 - 6/14

Neal Selznick bought a new van for $10,000. Neal put down $1,000 and paid $275 monthly for 40 months. What is the total amount of finance charge that Neal paid at the end of 40 months?

Which is greater 7,500,000m or 750km