Which of the following require proof in a logical system

How many intersections are there of the graphs of the equations below? 1/2x + 5y = 6 3x + 30y = 36

You move right 6 units and down 3 units. You end at (2, - 5). Where did you start?

What's 800 in scientific notation

Wendy is told ahead of time that she will need to purchase about 12 gallons of paint in order to cover the entire house. a. Write equivalent ratios to determine the amount of green and white paint she will need to purchase. b.

Find two numbers if their difference is 90, and their ratio is 5:8.

What is the area of this figure? 5 yd 8 yd 12 yd 13 yd yd 18 yd

1 litre is approximately 1.75 pints, 1 gallon = 8 pints, calculate the approximate number of gallons that are equal to 48000cm3

one day the temperature in Rome Italy it was 30°C ... the temperature in Dallas, Texas was 83°F. which temperature was higher

If Rodney bikes 190 miles every 4 days how many miles would he bike in 6 days

Determine whether the following question is a statistical question. If it is a statistical question, identify the units for the answer. An antique collector wants to know the age of a particular chair in a shop.