Lars bought 3 jars of marbles. Each jar has 42 marbles, of which 13 are red. Lars can use the calculation below to find the total number of red marbles. 3 * (13*42)

An open box is formed from a rectangular piece of cardboard whose length is 8cm more than its width by cutting squares of 2cm from each corner and folding. If the volume = 256 what are the dimensionS?

Ricky built a model rocket its flight can be modeled by the equation h=-16t^2+135t how long is rickys rocket in the air

Is the ellipse represented by the equation (x-5) ^2/3 (x 1) ^2/5?

How to do percentages changes

RST is an equilateral triangle;. If RT = 8, then TX =

5.7 is rounded to one decimals place. Write down the maximum possible it could have been.

Fraction as a decimal - 9 2/5

Aurora's bike has wheels with a perimeter of 2.3 meters. When Aurora goes to school the wheels spin 850 times. How long is the road that Aurora does when she goes to school?

Definition of congruent

86.17 hrs divide into 30 days