Answer:
x = 7.7
Option B
Step-by-step explanation:

∴ value of x is 7.7
Answer:
2
Step-by-step explanation:
Answer:
I believe the answer is C. 90 degrees
Step-by-step explanation:
First you find the lengths of the two vectors, which are both
. Then you find the angle given the cos using: cos(∅)=
=
= 0. Then using ∅=acos(0)=
= 90°
To do this first we will divide the amount of dollars (20) by the amount of dollars 1 gallon is for (4). Then we will multiply the amount of times 4 goes into 20 by 32 and the answer will be the amount of miles she can drive worth $20.
20 ÷ 4 = 3
3 × 32 = 96
So, Margie can drive 96 miles in $20.
Hope I helped ya!! xD