Step-by-step explanation:
area of a triangle is (bh)/2
b=base
h=height
2.1=(2h)/2
2.1=height
Hope that helps :)
Answer:
225°
Step-by-step explanation:

47.64/19.85=2.4
2.4*5=12
You bought 12 gallons of gas.
.
Check:
19.85/5=3.97
3.97*12=47.64
Answer:
Step-by-step explanation:
Distribute the 4:
4d- 20-6= 16- 2d-d
Combine like terms:
4d-26=16-3d
Add 3d to 4d:
7d-26=16
Add 26 to 16:
7d=42
Divide both sides by 7:
d=6