A cyclist travels north along a road at a constant speed of 18 miles per hour. At 1:00 p. m., a runner is 44 miles away, running south along the same road at a constant speed. They pass each other at 3:00 p. m.. What is the speed of the runner?

Sum is 17 and their difference is 3

1. which of the following algebraic equations is equivalent to ? x^n = a a^n = x a^x = n x^a = n 2. 16^1/4= 1/2 2 4 3. (-36)^1/2= -6 1/6 no real number 4. 8^2/3= 4 8 16√2 )^5/2= 7,776 1/7,776 no real number 6. m ^ the square root of a^2m simplified is: 7. the square root of 3^3 times the square root of 2 simplified and in radical form is:

3x + 4y = 5 x- 3y = -7 solve by substitution