A+b=s+r for s

I have no idea how to solve this

There is a sales tax of $22 on an item that costs $272 before tax. The sales tax on a second item is $19.25. How much does the second item cost before tax?

What is the factored form of the expression 6x^2+17x+12

Evaluate : (negitive 10-5 times negitive 7) times negitive 2

a candy factory made 54 boxes of chocolate each box weigh 2 pounds they pack the boxes and 6 cases with the same number of vodkas in each how many pounds of chocolate were in each case

1) List the order from lowest elevation to highest elevation 185.8 34.12 188.1 252.87 153.2 2) Which student is farthest from sea level (0 meters)

Solve the equation. -9/15y+3/21=5/15y-14/21 What is the solution? a. y=68/315 b. y=31/105 c. y=85/98 d. y=85/25

Use the given property to complete the statement. Addition Property of Equality If x = 5, then x + 3 =

Each month for 9 months, Jordan buys 2 sports books. How many more sports books does he need to buy before has bought 25 sports books?

The larger leg of a right triangle is 3 cm longer than its smaller leg. The hypotenuss is 6cm longer than the smaller leg. How many centimeters long is the smaller leg? answer key

What is 36/2 plus 12/8?