Answer:
$2100
Step-by-step expla35 x 4 = 140 140 x 15 = 2100
Answer:
first open the brackets -4x-28-6x-38
collect the like terms together
-4x-6x-28-38
-10x-66
divide both side by -10
x=6 3/5
Step-by-step explanation:
Answer:

Step-by-step explanation:
First simplify the quadratic present

⇒
Answer:
The answer is below, see below:
Step-by-step explanation:
Answer:
y = -0.4 + c
Step-by-step explanation:
y = mx + c (original form)
m ⊥ - 1/m
2.5 = 25/10
25/10 ⊥ -10/25
-10/25 = -0.4
y = -0.4x + c