The difference (-) between 3 times a number (3n) and 21.
3n - 21
1 mile * (1 hr / 4 mile) = 1/4 hr
1/4 hr = 15 min
Answer:
X=2
Y=8
Step-by-step explanation:
Since both equations are equal to y we can equal both equations
2x+4=x+6
x=2
y=2(2)+4
y=8
Answer:
8
Step-by-step explanation:
3( 2 + 2 ) - 4
3( 4 ) - 4
12-4
8
Step-by-step explanation:
m=
=
= -2.5
this may be right but I do not know