Find the solution to each number sentence below: (1) - 10 + 15 =

(2) 28 + (-29) =

(3) -40.5 + (-0.5) =

(4) 50 - (- 5) = (5) 100 - 255 =
(Hint: take away a negative means adding the opposite)

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?

Scenario: susan wants to make 2 square flags to sell at a crafts fair. the fabric she wants to buy is 3 meters wide. she doesn't want any fabric left over. what's the least amount of fabric she should buy? question: which equation will susan solve her problem? note: let x represent the length of 1 side of the flag. options: 1) 2x^2 = 4x 2) 8 +2x = 2(4x) 3) 2 * 2 = 4 * 2 4) 4x^2 -2x = 0

Find measure angle 1 and measure angle 3 in the kite the diagram is not drawn on the scale