Answer:
34
8
Step-by-step explanation:
<u>1/2bc - 6ac + 2ab</u>
(1/2)(-1)(-3) - (6)(2)(-3) + (2)(2)(-1)
(1/2)(4) - (-36) + (-4)
2 + 36 - 4
34
<u>1/4(ac)² + 1/6ac</u>
(1/4)[(2)(-3)]² + (1/6)(2)(-3)
(1/4)(-6)² + (1/6)(-6)
(1/4)(36) + (-1)
9 - 1
8
The magnitude of vector (-7,-5) =
=

<span>vector as the sum of unit vectors = -7 i - 5 j</span>
Answer:
B. 10,368 square yards
Step-by-step explanation:
120x90= 10800
24x18=432
10800-432= 10,368 square yards
Answer:
24$
Step-by-step explanation:
$80 - $32 - $24 = $24
Answer:
740000
Step-by-step explanation:
100ps make up £1, so times 7400 by 100 to get the answer