Solve the formula ax+by=c for x

R=6km solve for m? I do't understand these types of math problems

Can someone solve this two problems The sweet shop sells licorice at $9.40 per kg. How much would 250g of licorice cost? The cost of electricity is 43.4 cents per kilowatt for each hour.

Describe the relationship between the number of feet and numbers of yards

Maria looked at the architectural plan of a room with four walls in which the walls meet each other at right angles. The length of one wall in the plan is 13 inches. The length of the diagonal of the floor of the room in the plan is approximately 15.

If you flip three fair coins what is the probability that the two first flips will both be heads, and the third flip will be either heads or tales?

In the function F (t) = 200 (0.95) ^t, what is the rare of change (in the from of precent and showing growth or decay)

The lines described by y = (a + 12) x + 3 and y = 4ax are parallel. what is the value of a

On the drive to school you pass two traffic lights. List all the combinations of lights you could get. Use R for red, G for green, Y for yellow.

356.25 is what percent of 57

Do slopes stay the same in a dialation?