HELP QUICK PLEASE Simplify this expression.
(5)^-5(5)^7. 1.) 1/25. 2.) 25. 3.) 10. 4.) 5^-35.

The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?

Plz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?