Answer:
240-60
Step-by-step explanation:
Multiply both numbers inside the parenthesis by what's on the outside
Calculate Δ = b^2 -4ac => Δ = 169 => k1 = 3/2; k2 = -5 => 2k^2 + 7k - 15 = 2*(k -3/2)(k+5) = (2k - 3)(k+5);
Answer:
<h2>x = -8</h2>
Step-by-step explanation:
13 students only have tablets and 9 of them have non of the two so the answer is 22
Answer:
0
Step-by-step explanation:
if they have the same slope then they never intercept
