Answer:
C. x > -3
Step-by-step explanation:
23x + 2 > -67
23x > -69
x > -3
Answer:
4th ?
First equation. Is it -6 or = 6 ?
Step-by-step explanation:
Answer:
• for the first inequality:
• for the second inequality:
substitute for a:
• substitute to get value of a: [ first inequality ]
[ second inequality ]
Answer:
80%
Step-by-step explanation:
1. Formula for collecting efficiency is:
(Output energy÷Input energy) x 100
2. Plug in the values:
(40J÷50J)x 100
= 80%
Evaporation I’m pretty sure