
Simplify
to 

Both are over 11, so, just sum.


X²-3x-10=0
x²-(5-2)x-10=0
x²-5x+2x-10=0
x(x-5)+2(x-5)
(x-5)(x+2)
Answer:
A
Step-by-step explanation:
...
Answer:
Yes, 1920 pounds is an accurate measurement since this quantity is within the range 1,950 ±39 pounds.
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
since y and x vary directly the equation relating them is
y = kx ← k is the constant of variation
to find k use any ordered pair from the list given
using x = 4 when y = - 2, then
k =
=
= - 0.5 → B