A football team's season total points scored was 1.31 standard deviations above the mean of all teams in their league. What percent of teams had a lower season total points scored? A 1.31% B 90.32% C none of the above is correct D 9.51% E 90.49%

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

What is the value of x when x + 7 = 21?