25 = 5^2
90 = 2 . 3 . 3 . 5 
GCF is not as greedy as LCM.
GCF is just on a diet, so it takes the same number and the smallest amount.
25 and 90 both have 5.
5^2 or 5 ?
Take the smaller one.
GCF = 5
        
             
        
        
        
Answer: as company A charges a fix amount $93 for any distance and company B charges variable amount starting from $65.there will be a certain mileage after that the amount charged by company B should be greater than company A.
let for greater than m mileage company A will
charge less than company B.
  
charge for company A for m mileage= $93
charge for company B for m mileage= $65 + $0.70*m
  
so,
    93  ≤ 65+0.70*m
93-65 ≤ 65+0.70*m -65
   28   ≤ 0.70*m
28*10 ≤ 7 *m
280     ≤ 7m
280/7  ≤ 7m/7
     40  ≤ m
Ans: greater than 40 mileage  Company A will charge less than Company B
Step-by-step explanation:
 
        
             
        
        
        
The measure of angle E is (b) 50°
<h3>How to determine the angle measure?</h3>
The given parameters are:
- ΔCAB is similar to ΔCED
- AB and ED are parallel
The similarity of the triangles implies that:
- angle C = angle C
- angle A = angle E
- angle B = angle D
From the figure, we have:
angle A = 50
Substitute angle A = 50 in angle A = angle E
angle E = 50
Hence, the measure of angle E is (b) 50°
Read more about similar triangles at:
brainly.com/question/14285697
#SPJ1
 
        
             
        
        
        
If c^2 > a^2 + b^2 then the triangle is obtuse. 
If c^2 < a^2 + b^2 then the triangle is acute. 
If c^2 = a^2 + b^2 then the triangle is a right triangle. 
13. 7^2 __ 3^2 + 6^2
 49 ___ 9 + 36
 49 > 47 obtuse
14. 12^2 __ 4^2 + 11^2
 144 ___ 16 + 121
 144 > 137 obtuse
15. 26^2 ___ 24^2 + 10^2
 676 ___ 576 + 100
 676 = 676 right triangle 
16. 15^2 ___ 12^2 + 9^2
 225 ___ 144 + 81
 225 = 225 right triangle 
17. 31^2 __ 30^2 + 10^2
 961 ___ 900 + 100
 961 < 1000 acute triangle 
18. 12^2 ___ 7^2 + 7^2
 144 ___ 49 + 49
 144 ___ 98
 144 > 98 obtuse