A+b=s+r for s

I have no idea how to solve this

At the market 8 batteries cost 10 dollars how much will 6 cost

X/3 + 2y/3 = - 1 and x-y/3=9 solve. by elimination method

What negative fraction equal 5/8

5. MLMN = 90° 6. ZLMN is a right angle 5.) ? 6. definition of right angle

The larger of two numbers is 23. If three times the larger is 5 more than eight times the smaller, find the smaller number.

The scale factor of the blueprint of a garage door to the actual garage door is 0.05. the are of the actual garage door is 220 ft^2. What is the area of the garage door on the blueprint? A. 0.55ft^2 B. 5.5ft^2 C. 11ft^2 D. 55ft^2

Which of the following represents side lengths that form a Pythagorean triple? A. 7, 8, 9 B. 1, 2, 3 C. 4, 5, 6 D. 3, 4, 5

Gwent pour 256 milliliters of water in to Ravi Henry pours 189 milliters of water in to Ravis. Ravis now contains 800 Milliters of water hiw nuch water was in Ravis to begin with?.

Rosa has a garden divided into sections. She has 125 daisy plants. if she plants an equal number of the daisy plants in each section of daisies, will she have any left over? If so, how many daisy plants will be left over?

Simplify. 9x^8-18x^6