Y-3.6=x^2
y=x^2+3.6
x=1, y=4.6
x=3,y=9.6
x=5,y=28.6
x=6,y=39.6
x=9,y=84.6
Answer:
a and B are complementary angles in a right triangle.
Step-by-step explanation:
For the rule to be true, the triangle must be a right triangle.
If there is 10% of $18 = 18 x 0.9 (1 - 0.1) = $16.20
Therefore the pie costs $16.20
He is saving 18 - 16.20 = $1.80