Solve by substitution x+2y=11 and 3x-7y=-32

There are only blue cubes, yellow cubes and green cubes in a bag. There are twice as many blue cubes as yellow cubes and five times as many green cubes as blue cubes. Sarah takes at random a cube from the bag.

What is 3,562.653 in expanded form

When the digit at the rounding place is 9 round the following number as indicated 13,912; to the nearest hundred

Use your equation to determine the number of pounds in 80 ounces

Mr. De Leon's Geometry class has 34 students. After lunch everyone returns to the classroom. Within an hour, each person produces 800 BTUs. The room is 25 feet by 32 feet by 12 feet. How many BTUs per cubic foot were produced?

Draw a pair of supplementary angles that do not share a common side

Suppose your SAT score is 1560. A college with an average SAT score for admitted students of which of these would most likely be your best option? O O O A. 1940 B. 1580 C. 1120 D. 2160

Which expression has a value of 3? a (12+6) : 3+3 b 12+6: (3+3) c (12+6) : (3+3) d 12 + (6:3+3)

Evaluate 2a - 3b for a = 7 and b = - 2. 20 9 8

The area of a quadrilateral is 14 in and 8.6 In what is the area?