SA = 1/2 Pl + B ; P(perimeter of base) , l(slant height) , B(area of base)
= 1/2 (4)(8) (6) + 8^2
= 1/2 (32)(6) + 64
= 96 + 64
= 160
letter D :)))
Answer:
18
Step-by-step explanation:
1/2bh
9 x 4 = 36
36/2 = 18
area = 18
pack of 30:
7.97/30=.27 per pencil
pack of 12:
4.77/12=
.40 per pencil
The best buy is pack of 30 because:
.27<.40
Answer:
x = 6
Step-by-step explanation:
0 = x^2 -12x + 36 solve by factoring ...or Quadratic Formula
0 = ( x-6)(x-6) shows zeroes ( both of them) are x = 6
