Answer:
To know that a triangle is right angled triangle we will have to apply pythagoras theorem to verify it
Like length 3, 4 and 5 are leghts of right angled triangle
Answer:
-1 is the only answer that is greater than -5
Answer:
x² + 2x - 5
Step-by-step explanation:
(f + g)(x) = f(x) + g(x)
f(x) + g(x)
= 2x + 3 + x² - 8 ← collect like terms
= x² + 2x - 5
First find the amount of tax by multiplying 21 × 8.5%.
.085 × 21 = 1.785 = 1.79 (rounded)
Now add the tax back into the price...
21 + 1.79 = $22.79