Jessica, the answer is 20% off. All percents are out of 100, so you can multiply 50 x 2 = 100, and do the same with 40 x 2 = 80. Take your two answers, 100 and 80, and subtract 100 - 80 = 20, so the answer is 20% Hope this helped!
Answer:
x=70
Step-by-step explanation:
Answer:
71.51
Step-by-step explanation:
A=ah+bh+ch+1
2﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=3·3+7·3+7·3+1
2·﹣34+2·(3·7)2+2·(3·7)2﹣74+2·(7·7)2﹣74=71.51219
Answer:
I think that it is D or B from my side
