What is the value of the expression of 10?

A bag contains nine red marbles, nine green marbles, nine blue marbles, and eight yellow marbles. If Lisa draws a random marble from the bag, what is the probability that it will be a red, green, or blue marble?

Translate and solve: 3x less than 2 times the sum of 2x and 1 is equal to the sum of 2 and 5.

Twice John's age plus five times Claire's age is 72. Claire is 2 times as old as John. How old is John?

Stevens grades on his last 8 science tests were 96, 84, 73, 96, 92, 88, 81, and 88. What is the range of his grades?

What is the simplest form of the expression (-12.7y - 3.1x) + 5.9y - (4.2y + x) ?

At 3:00 ok a truck and a car leave the same intersection traveling in the same direction. The truck is traveling at 43 mph and the car is traveling at 58 mph. At what time will they be 12 mi apart?

Express the recurring decimal 0.56 as a fraction in its simplest form

A square garden plot measures 44 yards on each side. What is the length of the diagonal of this plot?

What are the roots of the equation X squared plus 6X - 9 equals zero?

Eli is making guacamole. He uses 2 tablespoons of cilantro for every 3 avocados. At this rate, how many tablespoons of cilantro will he need for 9 avocados?