Answer:
x = 28,000
Step-by-step explanation:
"What" is our unknown, x; "is" is an equals sign; 70% expressed as a decimal is .70; "of" means to muliply.
Our equation, then, is
x = .70(40,000) so
x = 28,000
Sorry, a bit late but i took it and it was A.
B
they have limited (3) common points where the planes meet.
Answer: 1
Step-by-step explanation: 1. 4x4=16 4x4x4= -64x16= -1024