20% of 150 is 30
Change the percentage into a decimal by dividing it over 100:
20 / 100 = 0.2
Multiply:
0.2 × 150 = 30
Answer:
Option A.
Step-by-step explanation:
we have

Simplify the right side of the equation
we know that

so
The expression is

therefore
x plus b over 2 times a equals plus or minus the square root of b squared minus 4 times a times c, all over 2 times a
Answer:
1: D
2: B
Step-by-step explanation:
-48 plugging in everything and using PEMDAS it should be -48
56*(4+15/60)
56*(240+15)/60
56*(255)/60
238 miles