Solve for x.

28/21 = 42/x

A. 14

B. 18 2/3

C. 31 1/2

D. 56

A tree is 4 meters tall. About how tall is the tree in feet? (1 meter is approximately 39 inches.)

A store sells 12 cans of soup for $7.50 How much would it cost to purchase 6 cans of soup?

What is the perimeter of the octagon? 11.2 cm 14.1 cm 15.2 cm 20.8 cm

A survey company asks all respondents for demographic information. There are 8 age and 7 income groups, 5 gender choices, and 6 choices for ethnicity.

The fifth grade class sold 415 granola bars. Each granola bar costs $1.00. The class donated 75% of the money earned from granola bar sales to the school library. How much did the fifth grade class donate to the school library?

Standard notation 6x10/3

What is the word form for the number 2,059

A = {1, 2, 5, 7} B = {3, 4, 6, 7} C = {0, 5, 8, 9} Find B U C.

Count outcomes Rolling two number cubes and tossing one coin

If ananda hikes at an average speed of 2.72 miles per hour, how long will it take her to hike 6.8 miles?