Which equation is equivalent to 3x+4y=15

By 2005, 42 different men had been President of the Untied States. Of these men, 2/21 had no children. How many presidents had no children?

The equation shows a number multiplied by 5. n x 5=? Which of these is true about the results?

Solve for m! 2/7 (4m-18) = 12

What two numbers multiply together that equal 80 and add up to 14

How to explain the steps you would take to put 36/10 as a decimal

A family went to a baseball game. They parked the car in a parking lot which charged $20. The cost per ticket was $28. Write an equation for the total cost of going to the baseball game, where y is the total cost and x is the total number of people.

Show me how to work the equation for 6*+20=-4

the total cost of a pair of shoes is $85.86. What was the cost of the shoes before the 8% sales tax was added?

The sum of two numbers is fifteen. One number is three less than the other. Find the numbers.

Which values for x and y make the statement, (x+4) (y-1) = 0, true? A) x = - 4, y = 1 B) x = - 4, y = - 1 C) x = 4, y = 1 D) x = 4, y = - 1