Five years from now Dan's age will be three times the age of his son. Five years ago Dan was seven times as old as his son. What is son's present age?

What is the answer Solve 5c-3=2c+6

How to determine if a number is prime or composite

Write a real-world situation that cloud be modeled by the equation 120+25x=45x

What is the 30th term of the arithmetic series 3, 5, 7, ...?

Lyric wants to buy 3 shirts that cost $21.89 each. She also wants to buy 2 pairs of pants that cost $39.95 each. How much does Lyric pay for the shirts and pants if she receives a $5.00 discount? Why it doesn't show

Roberto has 42 seashells in his case. he put 7 shells in each row. how many rows of shells does he have?

56 equals - 10 + 2X what is 56 equals - 10 + 2X what is X

A water tank is in the shape of a cone. Its diameter is 50 meter and slantedge is also 50 meter. How much water it can store In it? it releases water to a gated apartment building at therate of 400 liters per second.

The diameter of a sphere is 12 inches. What is the volume of the sphere to the nearest cubic inch

A college student purchase 10 posters for her dorm room but she only has space to hang six of them how many specific ways can student arrange and hang these six posters on her wall