If a point has coordinates (a, b), what are the coordinates of the point under the transformation that takes ?ABC to ?A'B'C' in Figure 1?

(a + 2, b - 3)

Mathematics

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Solve the equation.11 = b + 10

A. b = 21 B. b = -21 C. b = -1 D. b = 1

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Mathematics

Solve each problem.Le Boulangerie, a bakery, sells four main items: sweet rolls, bread, cakes, and pies. The amount of each ingredient (in cups, except for eggs) required for these items is given by matrix A. Eggs Flour Sugar Shortening Milk

= A
The cost (in cents) for each ingredient when purchased in large lots or small lots is given in matrix B. Cost
Large Lot Small Lot
= B
Suppose a day's orders consist of 20 dozen sweet rolls, 200 loaves of bread, 50 cakes, and 60 pies. Use matrix multiplication to find a matrix giving the costs under the two purchase options to fill the day's orders.

A.
B.
C.
D. These matrices cannot be multiplied.