Answer:
D = 120, there are 2 real roots for F(x)
Step-by-step explanatU
using the
formula D = b^2 - 4ac for discriminant
D = 8^2 - 4*(-7)*2
D = 64 + 56 = 120
Answer:
Rate of Pay is $11 per hour.
Step-by-step explanation:
Cost of
of work = $ 82.50
To find: Rate of pay
Here Rate of Pay means Cost of 1 hour of work or we can say cost of per hour work.

⇒ Cost of
of work = $ 82.50
Cost of 1 hr of work = 
= 
= 
= $ 11
Therefore, Rate of Pay is $11 per hour.
Answer:
A Pyramid
Step-by-step explanation:
Debra will travel 50 miles in 25 minutes
Step-by-step explanation:
Given
distance = 2 miles
Time = 1 minute
Other time = 25 minutes
We can use the proportions to find the number of miles debra will travel in 25 minutes
So,

Hence,
Debra will travel 50 miles in 25 minutes
Keywords: Proportion, rate
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