Answer:
x=7
Step-by-step explanation:
2x-10=4 add 10 to both sides
2x=14 divide both sides by 2
x=7
Answer:
k&F 20 degrees
Step-by-step explanation:
hope it helps
Answer:
x ∉ R
Step-by-step explanation:
x² = - 21
if x² < 0 => x ∉ R
Answer:
15/60×100=25%
Step-by-step explanation:
the number of students wanted to go outside/the whole number of students×100
15/60×100=25%
Answer:
v=0.79x+3.99
f=1.89x+5.49
combined cost: 2.68×+9.48
