Hi got a question!
1.Write in algebraic form: m added to twice 7m?
2A half of a number added to 7 gives 19. What is the number?
thanks and please be quick!!

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap