The equation 9t = 27.99 models a constant rate situation. hurry plz
5t=
a. 3.11
b.15.55
c.18.99
d.36.99

Consider the function f(x)=−2/3x+5 . what is f(1/2) ? enter your answer, as a simplified fraction, in the box. f(1/2)=

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?