Solve the problem below

X-y=1

X+y=3

the population of two communities are 1.8705*10^6 and 9.00846*10^6. calculate, correct to four significant figures, the total population of the two communities.

Jim rode at 20mph. His distance, d miles, is directly proportional to the time he rides, + hours. Identify the constant of proportionality and write an equation.

Carmen wants to know the favorite lunch menu among 6th grade students. Which types of survey below would give Carmen valid results?

A jar contains 26 fl oz of spaghetti sauce. How many cups of spaghetti sauce do 4 jars contain

In 2011 640,000 ha of the amazon rainforest were cleared. how many hectares is that an hour

Brenda is laying down colored rope to mark the borders of a beach volleyball court. The length of the court must be triple its width. The court needs to be 17 feet wide. How much rope will Brenda use to mark the outline of the court?

S+tx=r solve for x show steps

The desired accumulated amount is $100,000 after 4 years invested in an account with a 4% interest compounded quarterly

A store had 600 pounds of feed. After delivering equal amounts to 4 farmers, there are 60 pounds left. How many pounds did each farmer receive?

Simplify the following expression. 1/4 (24-16x) a. 6+4x b. 6+4 c. 6-4x d. 6-4