Fernando completed in an 80 mile bike race. After 0.5 hour, he had ridden 9 miles. After 1 hour of riding, Fernando had biked 18 miles. Assuming he was traveling at a constant speed, how far will Fernando have traveled after 3.5 hours

—the graph shows how fast a strand of human hair grows. how many inches would the hair have grown in 5 months

What is the multiplicative rate of change of the exponential function shown on the graph?

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?