Five players are needed to enter a team in the Algebra Cup. Therefore the number of participants in the tournament could be expressed as 5t, where t = the number of teams.
a) If 13 teams enter the Algebra Cup, what would be the number of players in the
tournament?
b) If 18 teams enter the Algebra Cup, what would be the number of players in the
tournament?
c) If 22 teams enter the Algebra Cup, what would be the number of players in the
tournament?

The sum of two numbers is 58. the first number is 8 less than half the second number. let  c  represent the first number. let  drepresent the second number. which statements about solving for the two numbers are true? check all that apply.the equation    represents the sum of the two numbers.the equation    represents the sentence “the first number is 8 less than half the second number.”the equation    represents the relationship between the two numbers.the equation    represents the sum of the two numbers.the number  d  is 14.the number  c  is 44.the number  c  is 14.the number  d  is 44.

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

What is the number 321,000,000 in scientific notation? also what is the number? ?