He pays $780 for the television set.
1200*.35=420
1200-420=780
1025ft above Sea Level is John
25ft below Sea Level is his Brother
1025ft + 25ft = 1050ft
Thats the difference in altitude
Answer:
Using a rule is direct and not time wasting, which is not the case for listing functions
The solution of the equation x2+7x is 0, -7 using the quadratic formula.
Step-by-step explanation:
x2 + 7x = 0
-b ± √
b2 - 4(ac)/ 2a
substitution,
a = 1, b = 7, c = 0
= -7 ± √(7)2 - 4(1 x 0) / 2 x 1
= - 7
± 7 / 2
x = 0 , -7
Substitute for x.
g(20)= 2(20-4)
g(20)=32.
x=32.
~god bless you!