Answer:
8*16.8 which is 302.4
Step-by-step explanation:
Answer:

Step-by-step explanation:
Line 1: (1, a) and (5, −2)
slope of the line is

Line 2: (2, 8) and (−5, a + 7)
slope of the line is

when the lines are parallel then slopes are equal

cross multiply it


subtract 4a from both sides


divide both sides by 3

Answer:
x = -3
Step-by-step explanation:
Substitute the values m = 1 and from the points into the slope formula. Then solve for x.

1. y= -2x +3
2. y = -4/5x - 15
3. y = -1/3x - 4
4. y = - x + 8
5. y = -4x
6. y = -3/2x -7
Answer:
18ft²
Step-by-step explanation:
V volume pyramid = 1/3× base area × height
V = 1/3 × B × h
24 ft³ = 1/3(12ft²)(6ft)
when V =54 ft³ h= 9ft B =?
V=1/3Bh
B=V3/h
B=(54×3)/9
B=6×3
B=18 ft²