Frank left his house at 7 a. m. and drove to the airport at a speed of 50 mph. lance left his house at 6 a. m. and drove to the same airport at a speed of 55 mph. frank's house is 150 miles from the airport and lance's house is 220 miles from the airport. at what time did frank arrive at the airport?

Frank arrived at 10:00

Step-by-step explanation:

First, we need to ask ourselves how many times can 50 go into 150?

It is 3 times.

So then we do 7:00 + 3 hours which gets us to

10:00.

there is nothing below so i cannot

step-by-step explanation:

region b will make the inequalities y < 2x + 1 and y > -x - 2 true ⇒ answer a

step-by-step explanation:

* lets study the graph and the inequality to solve the question

- the inequality y > -x - 2

∵ the form of the inequality is y > mx + c , m is the slope of the line

  and c is the y-intercept (the line intersect y-axis at point (0 , c)

∴ c = -2 that means the line intersect the y-axis at point (0 , -2)

∵ the sign of the inequality is >

∴ we shad the part over the line

  region a and b

- the inequality y < 2x + 1

∵ the form of the inequality is y > mx + c , m is the slope of the line

  and c is the y-intercept (the line intersect y-axis at point (0 , c)

∴ c = 1 that means the line intersect the y-axis at point (0 , 1)

∵ the sign of the inequality is <

∴ we shad the part under the line

  region b and c

∵ the common region between the two lines is region b

∴ region b will make the inequalities y < 2x + 1 and y > -x - 2 true