Phil is riding his bike. he rides 25 miles in 2 hours , 37.5 miles in 13 hours , and 50 miles in 4 hours. find the constant of proportionality and write an equation to describe the situation.

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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:

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2