If a die is rolled and a coin is flipped what is the the probability that the coin will be heads and the die will land on a 1,5 or 6

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?

Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64