Answer:
-1/2x+1 is the equation.
Step-by-step explanation:
136
(6-10i)(6+10i)
36 +60i - 60i - 100i²
36 - 100i² (i² = -1)
36 + 100
-4r²-3s²
Remove unnecessary parentheses:
r²+s²-(5r²+4s²)
Connect like terms:
-4r²+s²-4s²
Simplify/ collect like terms:
Solution:
Twenty percent of $35 is 0.20($35) = $7. The discount is $7.
