Answer:
Step-by-step explanation:
You have to set each runner's plan equal to each other because they are equal in the end. You start with 7 miles for Angelo and 4 miles for Marc.
x is a variable that is multiplied by the number of weeks it takes for both runners' distances to be equal. So multiply x by the miles increased every week.
Marc = Angelo
2x + 4 = x + 7
x = 3
In 3 weeks each runner will run 10 miles for the week.
Answer:
Step-by-step explanation:
Alright, lets get started.
Please refer the diagram I have attached.
MN is the diameter of the planet which is 
AM and NC are the distance of moons from the surface of the planet.

Since, angle ABC is given as 90 degree, it means, line AC will pass from the diameter of the planet.
So, distance between moon A and moon C is =



Hence the distance between point A and point C is 300000 Km. : Answer
Hope it will help :)
E. no solution. hope this helps! :)
Answer:
Algebraic expressions describe an algebraic operation. They can be as simple as a number, or they can include integer constants of numbers, variables, and symbols.
Step-by-step explanation: