The sum of a number and 21 is 64 what is the value of the number

What is bigger 25 milligrams or 25 centigrams

What is 2:1/3 in a mathematics problems

Item 7 Solve the system of linear equations by substitution. -2x-5y=3 3x+8y=-6 solution: ( , )

Select the decimal number that is equivalent to the mixed number 94 79 / 100.

How many times larger is 9 * 1013 than 3 * 108?

the lengths of the rectangle have been measured to the nearest tenth of a metre work out the following, writing down all the figures on your calculator display: a) The upper bound for the perimeter of the rectangle.

The measure of an angle is 28 greater than its complement. Find the measure of each angle.

Round 2.41 to the nearest whole number

How would I write 8 centimeters as a fraction

In training for the zombie race, Harris runs 4 times back and forth across the pasture, then runs through the woods 3.75 miles. In all, Harris runs 15.7 miles. What is the distance from one side of the pasture to the other?