First you convert 20% into a decimal which is 0.2 and multiply that by 42 and you get 8.4, that's the discount. Then you subtract 8.4 from 42 and get $33.60 which is your answer. Hope this helps!!
True.....I am not really good at explaining, but I would try. for any fraction , if it is multiplied by it inverse it equals to one because they end up crossing out. example: 3/4 ×4/3=1
6/23×23/6=1
It is A pls, you can just plug 4x+1 into 4π
Answer:
Triangular prism with a surface area of 144, C
Step-by-step explanation:
4 x 3 = 12, 12 divided by 2 ( x 1/2 ) = 6
6 x 2 = 12
3 x 11 = 33
4 x 11 = 44
5 x 11 = 55
12 + 33 + 44 + 55 = 144