Micheal save423 dollar in month how many will save four years

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

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

If i purchase a product for $79.99 and two accessories for 9.99 and 7.00 how much will i owe after taxes applies 8.75%