7 is a prime number because it is only divisible by 1 and itself which is 7.
Answer:
160,000
Step-by-step explanation:
400 * 200 is 80,000 just walking around once, so then multiply it by two.
80,000 * 2 is 160,000
ask a tutor for help with that my dude I don't know sorry
Answer:
B. a = 4, b = -8, c = -3
Step-by-step explanation:
The quadratic equation given is:

The general form of a quadratic equation is given as:

Let us put the given equation in this form and then compare with the general form of the quadratic equation.

Therefore, by comparing:
a = 4
b = -8
c = -3
The correct option is B
We know that distance = rate(time). We need to solve for time here.

The car took 2 hours to travel 90 miles at a speed of 45 mi/hr