Which ratios form a proportion?

A. 20/25, 14/21

B. 10/23, 18/7

C. 5/45, 4/36

D. 5/4, 4/5

Need to explain why equations 3x + 12 = 6 and - 2 = 4 - 3x isn't equivalent

A climber starts descending from 553 feet above sea level and keeps going until she reaches 10 feet below sea level. How many feet did she descend?

A circular swimming pool has a radius of 15 ft. There is a path all the way around that pool that is three feet wide. A circle has a radius of 15 feet. A larger circle goes around the smaller circle that is 3 feet wide.

Take away 5 from x is more than 3

On a trip to Canada, you may wish to convert the local temperature from Celsius to Fahrenheit. Given the following formula, determine the temperature in degrees Fahrenheit (F) if it is 15° Celsius (C).

If X=5 and 5=y, then x=y Ar algebraic equality property justifies the above statement?

The net of a three-dimensional figure is made of 6 rectangles that may or may not be squares. Depending on the number of rectangles that are squares, which could be the figure? Check all that apply.

If a pork roast must absorb 1700 kj to fully cook, and if only 14% of the heat produced by the barbeque is actually absorbed by the roast, what mass of co2 is emitted into the atmosphere during the grilling of the pork roast?

Over the course of a year, a classroom went from 15 students to 19 students. Use the drop-down menus to build an equation that could be used to find the percent change, p, in the number of students.

Matthew's mother asked him to go to the store for her. To get to the store, he walked seven city blocks. He caught the bus and rode 13 blocks. He got off and walked one and a half blocks to the store.