Another number will be negative.
Answer:
C: -2<x≤7
Step-by-step explanation:
- -2<x, as there is an open circle on -2
- x≤7 as there is a closed circle on 7
- Put them together, -2<x≤7
Using this formula, the gross profit percentage is approx. 75%
Answer:
cosA = 
Step-by-step explanation:
cosA = 
= 
= 
=
Answer:
Last option?
Step-by-step explanation:
ax+by=c
4x+6y=60
a=4
b=6
c=60
