A cyclist rides 1.5 miles to the bike trail. She then rides at an average speed of 8.5 miles per hour on the trail. Which linear model represents the total distance ridden, d, as a function of t, the time she spends on the trail, in hours?

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

What is the value of f(x) = 2.2 for f(-2)?