What is the mean (average) of the following numbers 45, 55, 53, 59, 47 and 41 300 50 100

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

Indicate the formula for the following conditions: p^c(n,r)=

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove