Round the following numbers to the nearest 10
a) 83
b) 127
c) 245

Which function has an inverse function? a. f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625

Bocephus has a bag full of nickels and dimes. if there are 3 times as many dimes as nickels, and he has $\$36.05$ in his bag, how many nickels does he have?