Starting at the same point at the same time, samuel and heather rode their bikes in the same direction. samuel traveled 3km/h faster than heather. after 3.5h samuel stopped for a half-hour break, but heather kept going. at the end of the break, heather was 8km ahead of samuel. how fast was each going?

(this is a speed, distance, time question)

What are the sotions to the quadratic equation 9x^2=4

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?

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?