2x + y = 7

y = x + 1

When the expression x+1 is substituted in for y in the first equation, the result is

2x + 1 = 7

x + 1 = 7

3x + 1 = 7

Are 2x+5 and 2+5x inverse functions?

In how many ways can 16 people be divided into five groups containing respectively 2,4,6,3 and one people

If a circle has a diameter of (x+3) inches, what is its circumference?

Amanda, Gorman, and Juan sent a total of 105 text messages during the weekend. Amanda sent 10 fewer messages than Goran. Juan sent 3 times as many messages as Goran. How many messages did they send each?

Mike had $12. He bought a book for $4 and a record for $5. How much did he spend?

If an object is dropped from a height of 200 feet, the function h (t) = - 16t^2+200 gives the height of the object after t seconds. Approimately, when will the object hit the ground? A. 200.00 seconds B. 184.00 seconds C. 3.54 seconds D. 0.

What is a pair of numbers for which the least common multiple equals the product of the two numbers

3. There are 45 males and 60 females in a subway car. What is the ratio of males to females? Write your answer as a fraction in simplest form

16 cups = how many fl oz

Robert is writing a paper for language arts class. he can write 2/3 of a page in 1/2 of an hour. At what rate is Robert writing?