How to tell when to use positive or negative symbols when dividing?

How do you solve multiple step equations?

Simplify - 16+8y+{-3}

What is 3 1/2 miles - 3,520 yards? (And put your answer in miles)

A sports recreation company plans to manufacture a beach ball with a surface area of 7238 in. 2 find the radius of the beach ball. use the formula, where a is the surface area and r is the radius of the sphere. 576 in. 48 in. 75 in. 24 in.

4,2 and 6, - 5 Give answer

What is the surface are of a storage b

Matthew has 30 stamps in his collection. Matthew's father has 10 times as many stamps as Matthew. How many stamps does Matthews father have?

Y=1/2x - 2 and y=-3x+5 solve this system by substitution

Evaluate the function g (t) = 3/2t - 5/2, when t = 5

A lighthouse casts a 128 footshadow a nearby lampost that measures 5 feet 3inches cast an 8 Foot Shadow