Match each of the following with its correct simplified solution
1. ab(a + b)
2. (a + b)(2a + 2b)
3. (a + b)2
4. (a + b)(a - b)

a. a2 - b2
b. 2a2 + 4ab + 2b2
c. a2 + 2ab + b2
d. a2b + ab2

Find the distance between the point (-3,-4), and (see the picture below)

The trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? a) 48 cm2; 32 cm2; 80 cm 2 b) 48 cm2; 16 cm2; 64 cm 2 c) 128 cm2; 32 cm2; 160 cm 2 d) 128 cm2; 16 cm2; 144 cm 2

You’re ordering more thread for blue jeans co. you usually purchase from ted’s threads, which sells 12 thread spools for $27. you recently received a notice from wade's wares that says you can buy thread from them for $2.30 each for the first 2 dozen and $2 a spool thereafter. you need to order 5 dozen spools. what percentage can you save by going with wade’s wares?