Identical rods can be placed end to end, as shown below. Each rod is 17-5cm long
17.5 cm
17. 5 cm
17.5cm
How many of these rods can be placed in this way, between two points 4 metres apart?

Janet is mixing a 15% glucose solution with a 35% glucose solution. this mixture produces 35 liters of a 19% glucose solution. how many liters of the 15% solution is januet using in the mixture? a. 25 liters c. 28 liters b. 7 liters d. 10 liters

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling